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Aakash Electronics · SP Road, Bengaluru
Component Catalog
8 product categories. Search by component name or part number. Contact us to confirm availability before visiting.
This list is a representative selection of what we stock — not an exhaustive inventory. If you don't see a part you need, get in touch — we carry a much wider range in-store and can discuss sourcing for specific requirements.
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Passive Components
| Component | Part No. | Specification |
|---|---|---|
| Resistors | ||
| Carbon Film Resistor 1/4W ±5% | CF1/4W | 10Ω · 22Ω · 47Ω · 100Ω · 220Ω · 470Ω · 1kΩ · 2.2kΩ · 4.7kΩ · 10kΩ · 22kΩ · 47kΩ · 100kΩ · 470kΩ · 1MΩ |
| Carbon Film Resistor 1/2W ±5% | CF1/2W | 10Ω · 47Ω · 100Ω · 470Ω · 1kΩ · 4.7kΩ · 10kΩ · 100kΩ · 1MΩ |
| Carbon Film Resistor 1W ±5% | CF1W | 10Ω · 100Ω · 1kΩ · 10kΩ · 100kΩ |
| Metal Film Resistor 1/4W ±1% | MF1/4W-1% | Precision E96 values — 10Ω to 1MΩ |
| Metal Film Resistor 1/2W ±1% | MF1/2W-1% | Common E96 values available |
| Wire Wound Resistor 2W | WW2W | 1Ω · 2.2Ω · 4.7Ω · 10Ω · 22Ω · 100Ω |
| Wire Wound Resistor 5W | WW5W | 1Ω · 5Ω · 10Ω · 22Ω · 47Ω · 100Ω |
| Potentiometer Linear 10kΩ | POT-10K-B | Single-turn, 6mm shaft, PCB mount |
| Potentiometer Linear 100kΩ | POT-100K-B | Single-turn, 6mm shaft, PCB mount |
| Potentiometer Log / Audio 10kΩ | POT-10K-A | Audio taper, 6mm shaft |
| Preset Trimmer 1kΩ | 3362P-102 | 25-turn cermet, top-adjust, PCB mount |
| Preset Trimmer 10kΩ | 3362P-103 | 25-turn cermet, top-adjust, PCB mount |
| Preset Trimmer 100kΩ | 3362P-104 | 25-turn cermet, top-adjust, PCB mount |
| NTC Thermistor 10kΩ | NTC10K-3950 | B=3950K, ±1%, axial leads, 25°C rated |
| LDR (Light Dependent Resistor) | GL5528 | 5mm, 10–20kΩ @ 10 lux, dark R ≥1MΩ |
| Varistor (MOV) 275V AC | S14K275 | 14mm disc, surge protection for mains circuits |
| Inductors & Crystals | ||
| Axial Inductor 10µH | IND-10UH | 10µH, ±10%, 0.3A, axial |
| Axial Inductor 100µH | IND-100UH | 100µH, ±10%, 0.2A, axial |
| Power Inductor 10µH / 3A | PIND-10UH-3A | 10µH, 3A rated — for buck converter circuits |
| Power Inductor 47µH / 1.5A | PIND-47UH-1A5 | 47µH, 1.5A, shielded |
| Ferrite Bead 600Ω @ 100MHz | BLM21AG601SN1D | 600Ω at 100MHz, 0805, 200mA |
| Crystal 4 MHz | XTAL-4M | HC-49/S, 20pF load, ±30ppm |
| Crystal 8 MHz | XTAL-8M | HC-49/S, 18pF load, ±30ppm |
| Crystal 11.0592 MHz | XTAL-11M0592 | HC-49/S — for accurate UART baud rates |
| Crystal 12 MHz | XTAL-12M | HC-49/S, 20pF load, ±30ppm |
| Crystal 16 MHz | XTAL-16M | HC-49/S, 18pF — used in Arduino Uno / Nano |
| Crystal 20 MHz | XTAL-20M | HC-49/S, 20pF load, ±30ppm |
| Crystal 32.768 kHz (RTC) | XTAL-32K768 | Cylindrical, for real-time clock circuits |
| Resistor Networks & Arrays | ||
| SIP Resistor Network 10kΩ (9-pin) | SIP9-10K | 8 resistors common bused, SIP-9, 10kΩ — pull-up/pull-down arrays |
| SIP Resistor Network 4.7kΩ (9-pin) | SIP9-4K7 | 8 resistors common bused, SIP-9, 4.7kΩ |
| SIP Resistor Network 1kΩ (9-pin) | SIP9-1K | 8 resistors common bused, SIP-9, 1kΩ — LED current limiting arrays |
| DIP Resistor Network 10kΩ (8-pin) | DIP8-RN-10K | 4 isolated pairs, DIP-8, 10kΩ |
| Fusible Resistor 1Ω 1W | FR-1R-1W | 1Ω, 1W, open-circuit on overload — fuse + resistor for protection circuits |
| Relays (PCB Mount) | ||
| SPDT Relay 5V DC Coil | SRD-5VDC-SL-C | 5V coil, SPDT, 10A/250VAC contacts, PCB mount — most common relay |
| SPDT Relay 12V DC Coil | SRD-12VDC-SL-C | 12V coil, SPDT, 10A/250VAC contacts, PCB mount |
| DPDT Relay 5V DC Coil | HJR-3FF-5VDC | 5V coil, DPDT, 3A/250VAC — double-pole switching |
| DPDT Relay 12V DC Coil | HJR-3FF-12VDC | 12V coil, DPDT, 3A/250VAC |
| Mini Relay SPDT 5V (DIP-8) | JRC-23F-5V | 5V coil, SPDT, 1A/30VDC, DIP-8 footprint — compact signal relay |
| Latching Relay DPDT 5V | G6AK-274P-5VDC | 5V pulse-latching, DPDT, holds state without coil power — energy saving |
| Reed Relay 5V | REED-5V-SPST | 5V coil, SPST-NO, hermetically sealed reed — for low-current signal switching |
| Reed Switch (Normally Open) | REED-NO-14MM | 14mm glass capsule, SPST-NO, activates ~10–15Gauss — for door/proximity sensing |
| Buzzers & Transducers | ||
| Piezo Buzzer (Active, 5V) | BZ-ACT-5V | 5V self-oscillating piezo, ~2400Hz, PCB pin, 85dB — just apply power |
| Piezo Buzzer (Active, 12V) | BZ-ACT-12V | 12V active piezo, 2400Hz, 85dB, PCB mount |
| Piezo Buzzer (Passive / Transducer) | BZ-PASS-5V | Passive piezo transducer, requires PWM drive, 1–4kHz — programmable tone |
| Electromagnetic Buzzer 5V | EM-BZ-5V | 5V electromagnetic active buzzer, 85dB, through-hole — louder than piezo |
| Piezo Speaker / Sounder (Panel Mount) | PKM22EPP-40 | 22mm dia piezo speaker, 4kHz resonance, 8Ω — panel-mount alarm transducer |
| Miniature Speaker 8Ω / 0.5W | SPK-8R-0W5 | 8Ω, 0.5W, 36mm dia — for audio output with LM386 / PAM8403 |
| Miniature Speaker 8Ω / 1W | SPK-8R-1W | 8Ω, 1W, 50mm dia — general audio, robot sound, voice output |
| Transformers & Mains Components | ||
| Transformer 230V → 9V-0-9V / 1A | XFMR-9V0-9V-1A | Centre-tapped 9V+9V, 1A, EI laminate — for ±12V regulated PSU |
| Transformer 230V → 12V-0-12V / 1A | XFMR-12V0-12V-1A | Centre-tapped 12V+12V, 1A — for ±15V or ±12V power supply |
| Transformer 230V → 0-12V / 2A | XFMR-12V-2A | Single 12V secondary, 2A, EI core — general purpose AC-DC supply |
| Transformer 230V → 0-6V / 1A | XFMR-6V-1A | Single 6V secondary, 1A — battery charger or 5V regulated supply |
| Toroidal Ferrite Core T50-2 | T50-2 | Iron powder toroid 50mm OD, Mix-2 (red), 2–30MHz — for RF inductors / baluns |
| Toroidal Ferrite Core T68-2 | T68-2 | Iron powder toroid 68mm OD, Mix-2 — HF inductor / filter winding |
| SMD Resistors — Chip (0402 / 0603 / 0805 / 1206) | ||
| SMD Resistor 0402 1/16W ±1% — Assorted Kit | SMD-R-0402-KIT | 170-value assortment, 10Ω–1MΩ, E96 series — 10pcs/value, 1700pcs total |
| SMD Resistor 0603 1/10W ±1% — Assorted Kit | SMD-R-0603-KIT | 170-value assortment, 1Ω–10MΩ, E96 series — 25pcs/value; most popular SMD package |
| SMD Resistor 0805 1/8W ±1% — Assorted Kit | SMD-R-0805-KIT | 170-value assortment, 1Ω–10MΩ — easier to hand-solder than 0402/0603 |
| SMD Resistor 1206 1/4W ±1% — Assorted Kit | SMD-R-1206-KIT | 100-value assortment, 10Ω–1MΩ, 1/4W — suitable for higher-current applications |
| SMD Resistor 0603 10Ω ±1% (100pcs) | SMD-0603-10R | 0603, 10Ω, 1/10W, ±1% — sold in strips of 100 |
| SMD Resistor 0603 100Ω ±1% (100pcs) | SMD-0603-100R | 0603, 100Ω, 1/10W, ±1% |
| SMD Resistor 0603 1kΩ ±1% (100pcs) | SMD-0603-1K | 0603, 1kΩ — ubiquitous pull-up/pull-down and LED current limiting |
| SMD Resistor 0603 4.7kΩ ±1% (100pcs) | SMD-0603-4K7 | 0603, 4.7kΩ — I²C pull-up, voltage divider |
| SMD Resistor 0603 10kΩ ±1% (100pcs) | SMD-0603-10K | 0603, 10kΩ — most stocked SMD value; pull-up/pull-down, divider |
| SMD Resistor 0603 100kΩ ±1% (100pcs) | SMD-0603-100K | 0603, 100kΩ — ADC bias, filter network |
| SMD Resistor 0603 0Ω Jumper (100pcs) | SMD-0603-0R | 0603, 0Ω — PCB layer jumper, assembly option link |
| SMD Resistor 0805 10Ω ±1% (100pcs) | SMD-0805-10R | 0805, 10Ω, 1/8W — power series termination, gate resistor |
| SMD Resistor 0805 10kΩ ±1% (100pcs) | SMD-0805-10K | 0805, 10kΩ, 1/8W |
| SMD Resistor 2512 1Ω ±1% / 1W (25pcs) | SMD-2512-1R-1W | 2512 power resistor, 1Ω, 1W — current sense, power limiting |
| SMD Resistor 2512 0.1Ω ±1% / 1W (25pcs) | SMD-2512-R1-1W | 2512, 0.1Ω, 1W — precision current sensing in motor drives & PSU |
| SMD Inductors & Ferrite Beads | ||
| SMD Power Inductor 10µH / 2A (1210) | SMD-L-10UH-2A | 10µH, 2A, shielded, 1210 — for LM2596/XL6009 DC-DC converters |
| SMD Power Inductor 22µH / 1.5A (1210) | SMD-L-22UH-1A5 | 22µH, 1.5A, shielded, 1210 — boost and buck converter output choke |
| SMD Power Inductor 47µH / 1A (1210) | SMD-L-47UH-1A | 47µH, 1A, shielded — flyback snubber, EMI filter choke |
| SMD Chip Inductor 1µH (0805) | SMD-L-1UH-0805 | 1µH, ±10%, 0805 — RF choke, VHF/UHF bias inductor |
| SMD Ferrite Bead 600Ω@100MHz (0603) | SMD-FB-600R-0603 | 600Ω at 100MHz, 1A, 0603 — power rail noise suppression on PCB |
| SMD Ferrite Bead 1kΩ@100MHz (0805) | SMD-FB-1K-0805 | 1kΩ at 100MHz, 2A, 0805 — high-current power line EMI filtering |
| SMD Common Mode Choke 90Ω (0805, Dual) | SMD-CMC-90R-0805 | Dual winding, 90Ω, 0805 — USB/data line common mode suppression |
Wires & Cables
| Component | Part No. | Specification |
|---|---|---|
| Hook-up & Breadboard Wire | ||
| Solid Core Hook-up Wire 22AWG | HUW-22-REDHUW-22-BLKHUW-22-BLU | 22AWG solid core, PVC insulation — ideal for breadboarding. Red, Black, Blue, Yellow, Green available. |
| Solid Core Hook-up Wire 24AWG | HUW-24 | 24AWG solid core, PVC — multiple colours |
| Stranded Hook-up Wire 22AWG | STR-22 | 22AWG stranded, flexible PVC — for wiring harnesses |
| Stranded Hook-up Wire 26AWG | STR-26 | 26AWG stranded, flexible — for signal wiring |
| Silicone Stranded Wire 20AWG | SIL-20 | 20AWG, silicone insulation, high-temp rated — for motors & power |
| Silicone Stranded Wire 18AWG | SIL-18 | 18AWG, silicone insulation — higher current capacity |
| Tinned Copper Wire (Bus Wire) 22AWG | BUS-22 | Bare tinned copper, solid, for PCB bus lines & ground planes |
| Enamelled Copper Wire (Magnet Wire) 26AWG | EMW-26 | 26AWG, enamel coated — for coil winding & transformers |
| Enamelled Copper Wire (Magnet Wire) 30AWG | EMW-30 | 30AWG, thin enamel — for inductors & fine coils |
| Jumper Wires & Ribbon Cable | ||
| Jumper Wires Male–Male 20cm | JW-MM-20 | 40-wire pack, 20cm, Dupont connectors — breadboard to breadboard |
| Jumper Wires Male–Female 20cm | JW-MF-20 | 40-wire pack, 20cm — Arduino pin to breadboard |
| Jumper Wires Female–Female 20cm | JW-FF-20 | 40-wire pack, 20cm — module-to-module wiring |
| Flat Ribbon Cable 10-Way | RFC-10 | 10-conductor IDC ribbon cable, 28AWG, sold per metre |
| Flat Ribbon Cable 20-Way | RFC-20 | 20-conductor IDC ribbon cable, 28AWG, sold per metre |
| Flat Ribbon Cable 40-Way | RFC-40 | 40-conductor IDC ribbon cable — parallel bus & LCD connections |
| USB & Power Cables | ||
| USB-A to USB-B Cable 1m | USB-AB-1M | USB 2.0, 1m — for Arduino Uno / printer connections |
| USB-A to Mini-B Cable 1m | USB-MINI-1M | USB 2.0, 1m — for older dev boards & peripherals |
| USB-A to Micro-B Cable 1m | USB-MICRO-1M | USB 2.0, 1m — for ESP8266, ESP32, Arduino Nano |
| USB-A to USB-C Cable 1m | USB-C-1M | USB 2.0, 1m — for newer dev boards |
| DC Barrel Power Cable 5.5/2.1mm | DC-PLUG-5521 | 5.5mm OD / 2.1mm ID barrel plug pigtail, 30cm — adapter wiring |
| DC Barrel Power Cable 5.5/2.5mm | DC-PLUG-5525 | 5.5mm OD / 2.5mm ID barrel plug pigtail, 30cm |
| 9V Battery Snap Connector (PP3) | BATT-SNAP-9V | PP3 / 6F22 snap connector with wire leads, 15cm |
| 18650 Battery Holder (Single) | BH-18650-1 | Single 18650 cell holder with wire leads |
| 18650 Battery Holder (2-Cell Series) | BH-18650-2S | 2×18650 series holder, 7.4V nominal, with switch |
| Coaxial & Shielded Cable | ||
| Coaxial Cable RG-174 | RG174 | 50Ω, thin flexible, sold per metre — for RF & antenna wiring |
| Coaxial Cable RG-58 | RG58 | 50Ω, standard coax, sold per metre |
| Shielded Twisted Pair (2-core) | STP-2C | 2-core shielded, 24AWG, sold per metre — for audio & low-noise signal runs |
| Cable Management | ||
| Heat Shrink Tubing Assortment | HST-ASST | 2:1 shrink ratio, sizes 1.5mm / 3mm / 5mm / 8mm, mixed pack |
| Heat Shrink Tubing 3mm (Black) | HST-3BK | 3mm pre-shrink, 2:1 ratio, sold per metre |
| Nylon Cable Ties 100mm | CT-100 | 100×2.5mm, pack of 100, natural colour |
| Nylon Cable Ties 200mm | CT-200 | 200×3.6mm, pack of 100 |
| Spiral Cable Wrap 6mm | SCW-6 | 6mm dia, polyethylene spiral wrap, sold per metre — for wire bundles |
| Heavy-Gauge Power Wire | ||
| Stranded Power Wire 18AWG | PWR-18AWG-RPWR-18AWG-B | 18AWG stranded, PVC, Red & Black — for PCB power rails, up to 16A |
| Stranded Power Wire 16AWG | PWR-16AWG | 16AWG stranded, up to 22A — motor leads, battery interconnects |
| Stranded Power Wire 14AWG | PWR-14AWG | 14AWG stranded, up to 32A — main supply wiring, inverter leads |
| Silicone High-Flex Wire 14AWG | SIL-14AWG | 14AWG, silicone jacket, 600V, high temp — LiPo/battery leads in drones & RC |
| Speaker Wire 16AWG (Twisted Pair) | SPK-16AWG-TP | 2-core twisted pair 16AWG OFC, transparent PVC, sold per metre |
| Speaker Wire 18AWG (Flat Twin) | SPK-18AWG-FT | 18AWG flat twin, colour-coded, sold per metre — budget audio wiring |
| Network & Data Cable | ||
| Ethernet Cable Cat5e (0.5m) | CAT5E-0M5 | Cat5e patch, RJ45–RJ45, 0.5m, 1Gbps rated — for Pi, SBC, Ethernet shields |
| Ethernet Cable Cat5e (1m) | CAT5E-1M | Cat5e patch, RJ45–RJ45, 1m |
| Ethernet Cable Cat6 (1m) | CAT6-1M | Cat6 patch, RJ45–RJ45, 1m, 250MHz bandwidth |
| HDMI Cable (1m) | HDMI-1M | HDMI Type-A to A, 1m, 4K@30Hz — for Raspberry Pi & single-board computers |
| Mini-HDMI to HDMI Cable (1m) | MINI-HDMI-1M | Mini-HDMI (Type-C) to HDMI Type-A, 1m — for Raspberry Pi Zero |
| USB OTG Adapter (Micro-B Male to USB-A Female) | OTG-MICRO | Micro-USB OTG adapter — connect USB devices to Android / OTG-capable boards |
| USB OTG Adapter (Type-C Male to USB-A Female) | OTG-USBC | USB-C OTG adapter — connect USB peripherals to Type-C boards |
| 3.5mm Audio Cable (1m, Stereo) | AUD-35MM-1M | 3.5mm TRS to 3.5mm TRS, 1m — aux audio interconnect |
| Servo Extension Cable 30cm | SERVO-EXT-30 | 3-pin (SIG/VCC/GND), 30cm, 26AWG — for extending servo/sensor connections |
| Servo Extension Cable 50cm | SERVO-EXT-50 | 3-pin, 50cm, 26AWG — Arduino shield to servo wiring |
| Terminals, Lugs & Wire Ends | ||
| Ring Terminal Set (Assorted) | RING-TERM-ASST | Insulated ring terminals, M3/M4/M5/M6 holes, 10–16AWG — battery & panel wiring |
| Fork / Spade Terminal Set | SPADE-TERM-ASST | Insulated fork spade terminals, assorted sizes — screw terminal connections |
| Bootlace Ferrule Kit (Assorted) | FERRULE-KIT | Insulated end-sleeves 0.5–6mm², assorted kit — for clean DIN rail terminal connections |
| Butt Splice Connectors (Insulated) | BUTT-SPLICE-ASST | Red/Blue/Yellow, 22–10AWG assorted — wire joining without soldering |
| Insulation Tape (PVC, 19mm) | INSUL-TAPE-BK | PVC electrical tape 19mm × 20m, black, 600V — general wire insulation & bundling |
Sensors & Modules
| Component | Part No. | Specification |
|---|---|---|
| Temperature & Humidity | ||
| Temperature Sensor IC (Analog) | LM35DZ | 10mV/°C output, 0–100°C, TO-92 — no calibration needed |
| 1-Wire Digital Temperature Sensor | DS18B20 | ±0.5°C, −55 to +125°C, 1-Wire, TO-92 — waterproof probe version also available |
| Temperature & Humidity Sensor | DHT11 | Temp ±2°C / RH ±5%, 3–5V, single-wire — entry level |
| Temperature & Humidity Sensor (Precision) | DHT22AM2302 | Temp ±0.5°C / RH ±2–5%, −40 to +80°C — upgrade over DHT11 |
| Temp & Humidity Module with I²C | SHT31-D | ±0.3°C / ±2% RH, I²C, 2.4–5.5V — high accuracy |
| Proximity, Distance & Motion | ||
| Ultrasonic Distance Sensor | HC-SR04 | 2cm–400cm range, ±3mm accuracy, 5V — trigger/echo interface |
| IR Obstacle / Proximity Sensor Module | IR-PROX-MOD | Adjustable range 2–30cm, digital output, 5V |
| PIR Motion Sensor | HC-SR501 | Passive IR, 3–7m range, adjustable delay, 5–20V supply |
| Capacitive Touch Sensor Module | TTP223B | Single touch, digital output, 2.0–5.5V, self-calibrating |
| Vibration / Tilt Sensor | SW-420 | Normally closed vibration switch, 5V module with comparator |
| Laser Distance Sensor Module | VL53L0X | ToF laser ranging, up to 2m, I²C, 2.6–3.5V — compact module |
| Gas & Air Quality | ||
| Flammable Gas / Smoke Sensor | MQ-2 | LPG, propane, hydrogen, smoke — 5V heater, analog + digital out |
| Alcohol / Ethanol Sensor | MQ-3 | Ethanol detection, 5V — breathalyser projects |
| Carbon Monoxide Sensor | MQ-7 | CO detection, 10–10000ppm, 5V |
| Air Quality / CO₂ Sensor | MQ-135 | NH₃, benzene, CO₂, smoke — general air quality, 5V |
| Pressure, IMU & Light | ||
| Barometric Pressure & Temperature | BMP180 | 300–1100hPa, ±1hPa, I²C, 3.3V module — altitude sensing |
| Barometric Pressure & Temperature (Precision) | BMP280 | 300–1100hPa, ±1hPa, I²C/SPI, 3.3V — improved BMP180 |
| 6-Axis IMU (Accel + Gyro) | MPU-6050 | 3-axis accel ±2/4/8/16g, 3-axis gyro ±250–2000°/s, I²C, 3.3V |
| 9-Axis IMU (Accel + Gyro + Mag) | MPU-9250 | 9-DOF IMU, I²C/SPI, 3.3V — for drone/robotics attitude sensing |
| 3-Axis Magnetometer / Compass | HMC5883LQMC5883L | ±8 Gauss, I²C, 3.3V — digital compass module |
| Ambient Light Sensor | BH1750 | 1–65535 lux, I²C, 3.3V — calibrated lux output, no ADC needed |
| Soil Moisture Sensor Module | YL-69 | Resistive probe + comparator module, 3.3–5V, analog & digital out |
| Rain / Water Detection Sensor | YL-83 | Conductive rain sensor, 3.3–5V, analog + digital output |
| Communication Modules | ||
| Bluetooth Serial Module | HC-05 | Bluetooth 2.0, master/slave configurable, UART, 3.3–6V |
| Bluetooth Serial Module (Slave) | HC-06 | Bluetooth 2.0, slave only, UART — simpler pairing |
| Wi-Fi Module | ESP-01 | ESP8266, 802.11 b/g/n, UART, 3.3V — add Wi-Fi to any Arduino |
| RFID Reader / Writer Module | MFRC522 | 13.56MHz RFID, SPI, 3.3V — includes card & key fob |
| NRF24L01 2.4GHz Transceiver | NRF24L01 | 2.4GHz, SPI, 3.3V, up to 100m LOS — wireless data link |
| LoRa Transceiver Module | SX1278 | 433MHz LoRa, SPI, 3.3V, up to 10km LOS |
| GPS Module | NEO-6M | u-blox NEO-6M, UART, 3.3–5V, with ceramic antenna — NMEA output |
| Display Modules | ||
| LCD Character Display 16×2 | LCD-1602 | HD44780-compatible, 5V, parallel interface — with or without I²C backpack |
| LCD Character Display 20×4 | LCD-2004 | HD44780-compatible, 5V, 20 chars × 4 lines, with I²C backpack |
| OLED Display 0.96" I²C | SSD1306-096 | 128×64px, I²C, 3.3–5V, white or blue pixels |
| OLED Display 1.3" I²C | SH1106-130 | 128×64px, I²C, 3.3–5V, larger OLED panel |
| 7-Segment Display (Single Digit) | 7SEG-CC7SEG-CA | 0.56", common cathode & common anode versions, red |
| 7-Segment Display (4-Digit) with TM1637 | TM1637-4D | 4-digit 7-seg with TM1637 driver, 2-wire interface, 3.3–5V |
| Relay & Control Modules | ||
| 1-Channel Relay Module 5V | REL-1CH-5V | 10A/250VAC, 5V coil, optocoupled input, active-low trigger |
| 2-Channel Relay Module 5V | REL-2CH-5V | 2 × 10A/250VAC, 5V coil, optocoupled, active-low trigger |
| 4-Channel Relay Module 5V | REL-4CH-5V | 4 × 10A/250VAC, 5V coil, optocoupled, active-low trigger |
| Solid State Relay 25A | SSR-25DA | 25A, 3–32V DC control, 24–380V AC load, zero-cross switching |
| RTC Module (DS3231) | DS3231-MOD | High-accuracy RTC, I²C, integrated temp-compensated oscillator, battery backup |
| Current & Voltage Sensing | ||
| Current Sensor Module 5A | ACS712-05A | ACS712, ±5A, 185mV/A, 5V, analog output — DC/AC current measurement |
| Current Sensor Module 20A | ACS712-20A | ACS712, ±20A, 100mV/A, 5V — motor & battery current monitoring |
| Current Sensor Module 30A | ACS712-30A | ACS712, ±30A, 66mV/A, 5V — high-current EV / solar applications |
| Voltage Sensor Module (25V DC) | VSNS-25V | 0–25V input → 0–5V analog output, voltage divider module |
| Voltage Sensor Module (100V DC) | VSNS-100V | 0–100V input → 0–5V, precision resistor divider module |
| Power Monitor Module (I²C) | INA219-MOD | INA219, ±26V bus, 3.2A, I²C — reads voltage, current & power in one module |
| Hall Effect Sensor (Digital Output) | A3144 | Unipolar Hall switch, TO-92 — for magnetic field detection, rotary encoders, motor feedback |
| Hall Effect Sensor (Linear, Analog) | SS49E | Ratiometric linear Hall sensor, 2.4–6V, TO-92 — magnetic field strength measurement |
| Hall Effect Gear Tooth Sensor | TLE4935L | Differential peak-detect Hall sensor — ferrous gear tooth counting, wheel speed |
| Flex, Force & Pressure | ||
| Flex Sensor 2.2" (Short) | FLEX-2IN2 | 2.2" flex sensor, resistance changes with bend ~25kΩ–125kΩ — finger bend detection |
| Flex Sensor 4.5" (Long) | FLEX-4IN5 | 4.5" flex sensor — for arm / larger joint angle measurement |
| Force Sensitive Resistor FSR 0.5" | FSR-402 | 0.5" dia, 100g–10kg, resistance ↓ with force — touch/pressure detection |
| Force Sensitive Resistor FSR 1.5" | FSR-406 | 1.5" round, 100g–10kg — footpad & grip pressure sensing |
| Load Cell 1kg (HX711 Compatible) | LC-1KG | Strain gauge load cell, 1kg, 4-wire — for precision weight scale |
| Load Cell 5kg | LC-5KG | Strain gauge load cell, 5kg, 4-wire wheatstone bridge |
| HX711 Load Cell Amplifier Module | HX711-MOD | 24-bit ADC for load cell / bridge sensor, SPI-like interface, 3.3/5V — weighing scale module |
| Sound & Audio Sensing | ||
| Sound Sensor Module (Microphone + Comparator) | KY-038 | Electret mic + LM393 comparator, digital & analog output, 3.3–5V — clap detect |
| Electret Microphone Capsule 6mm | MIC-6MM-ECM | 6mm dia electret condenser capsule, −42dBV sensitivity, omni — bare component |
| MEMS Microphone Module (I²S) | INMP441-MOD | INMP441, I²S digital output, omnidirectional, 3.3V — for ESP32 voice projects |
| Ultrasonic Transducer 40kHz (TX) | T40-16 | 40kHz transmitter, 16mm — open-air ultrasonic driver |
| Ultrasonic Transducer 40kHz (RX) | R40-16 | 40kHz receiver, 16mm — pairs with T40-16 for DIY range finders |
| Biomedical & Chemical Sensors | ||
| Pulse Oximeter & Heart Rate Module | MAX30102 | MAX30102, SpO₂ + heart rate sensor, I²C, 1.8V — fingertip health monitoring |
| ECG / Body Temperature Sensor | AD8232-MOD | AD8232 heart rate monitor front-end, 3.3V — single-lead ECG module |
| pH Sensor Probe + Module | PH-MOD-BNC | BNC probe interface + signal conditioner, analog output 0–14pH → 0–3.3V |
| Turbidity Sensor Module | SEN0189 | Optical turbidity, 5V, analog output — water clarity / quality monitoring |
| TDS (Water Quality) Sensor Module | TDS-MOD | Total dissolved solids 0–1000ppm, analog output, 3.3–5V |
| Flame / Fire Detection Sensor | FLAME-IR-MOD | IR photodiode 760–1100nm, analog + digital out — detects flame up to 1m |
| Color, Gesture & Advanced Optical | ||
| Color Sensor (RGB) | TCS3200TCS34725 | TCS3200: frequency output · TCS34725: I²C 16-bit RGBC — object color identification |
| Gesture & Proximity Sensor | APDS-9960 | Gesture/proximity/color/ambient light, I²C, 3.3V — swipe gesture control for projects |
| Fingerprint Sensor Module | AS608R305 | Optical fingerprint reader, UART, 3.3–5V, 360° recognition, library support for Arduino |
| OV7670 Camera Module (0.3MP) | OV7670-MOD | 640×480 CMOS, parallel SCCB interface, 3.3V — low-cost vision for Arduino/STM32 |
| Laser Module (5mW, 650nm) | LASER-5MW-650 | Red laser dot module, 5V, 5mW — for line following, tripwire & position sensing |
| Line Tracking Sensor Module (3-Channel) | LINETRACK-3CH | 3× IR emitter + receiver, digital output, adjustable sensitivity — robot line follower |
| Optical Rotary Encoder Module | H206-MOD | H206 IR slot sensor, 5V, digital output — motor/wheel speed feedback |
| Motor & Actuator Modules | ||
| Stepper Motor 28BYJ-48 (5V) | 28BYJ-48 | Unipolar, 5V, 1/64 gear ratio, 64 steps/rev — commonly paired with ULN2003 driver |
| NEMA17 Stepper Motor | NEMA17-200S | Bipolar, 1.7A/phase, 200 steps/rev (1.8°), 4-wire — for CNC, 3D printers |
| Stepper Driver Module A4988 | A4988-MOD | A4988, 1/16 microstepping, 2A, STEP/DIR control, heat-sinkable — 3D printer standard |
| Stepper Driver Module DRV8825 | DRV8825-MOD | DRV8825, 1/32 microstepping, 2.5A — improvement over A4988 with smoother motion |
| DC Gear Motor (BO Motor, 3–6V) | BO-MOTOR-200 | DC gear motor, ~200 RPM @ 6V, yellow plastic — standard robot car wheel motor |
| DC Gear Motor with Encoder | JGA25-370-ENC | JGA25-370, 12V, 200 RPM, with hall encoder — for closed-loop robot navigation |
| Servo Motor (Micro, 9g) | SG90 | SG90, 9g, 1.8kgcm, 5V, 180° rotation — the go-to hobby servo |
| Servo Motor (Metal Gear, 9g) | MG90S | MG90S, 9g, metal gears, 2.2kgcm, 5V — more durable than SG90 |
| Servo Motor (High Torque, 55g) | MG996R | MG996R, 55g, metal gears, 9.4kgcm, 5–7V — robot arm joints |
| Vibration Motor (Coin / ERM) | VIBR-COIN-10MM | 10mm coin ERM, 3V, 70000RPM — haptic feedback in wearables |
| Solenoid (Push-Pull, 5V) | SOL-5V-PUSH | 5V DC pull solenoid, 500g force, 10mm stroke — lock mechanisms, dispensers |
| Water Pump (Submersible, 3–5V) | WATER-PUMP-5V | Mini submersible pump, 3–5V DC, 120L/hr — hydroponics, water cooling, aquarium |
| Input Devices | ||
| 4×4 Matrix Membrane Keypad | KEYPAD-4X4 | 4×4, 0–9 + A–D + *#, 8-pin ribbon — for PIN entry, menu navigation |
| 3×4 Matrix Membrane Keypad | KEYPAD-3X4 | 3×4, 0–9 + *#, 7-pin ribbon — compact number entry |
| Joystick Module (Analog X-Y + Button) | KY-023 | KY-023, dual-axis potentiometer + push-switch, 5V — game controller / robot steering |
| Rotary Encoder Module (KY-040) | KY-040 | Incremental encoder with push, CLK/DT/SW, 5V — menu navigation, volume knob |
| Capacitive Touch Button Module (6-pad) | TTP226-MOD | TTP226, 6-key capacitive touch, digital output, 5V, no physical press needed |
| Infrared Obstacle Avoidance Module | IR-OBS-MOD | IR TX + RX pair, adjustable range 2–30cm, digital output — robot collision avoidance |
| Water Flow Sensor (YF-S201) | YF-S201 | Hall-effect flow sensor, 1–30L/min, 5V, pulse output — irrigation & liquid metering |
Hobby Kits & Development Boards
| Component | Part No. | Specification |
|---|---|---|
| Arduino Boards & Clones | ||
| Arduino Uno R3 | ARD-UNO-R3 | ATmega328P, 14 digital I/O, 6 analog in, USB-B, 5V — most popular starter board |
| Arduino Nano V3 | ARD-NANO-V3 | ATmega328P, 22 I/O, Mini-USB, breadboard-friendly — compact Uno equivalent |
| Arduino Mega 2560 | ARD-MEGA | ATmega2560, 54 digital I/O, 16 analog, 4× UART, 5V |
| Arduino Pro Mini 5V/16MHz | ARD-PROMINI-5V | ATmega328P, 5V, 16MHz, no USB — smallest Arduino, needs FTDI |
| Arduino Pro Mini 3.3V/8MHz | ARD-PROMINI-33 | ATmega328P, 3.3V, 8MHz — for low-power & battery applications |
| Arduino Micro | ARD-MICRO | ATmega32U4, native USB HID, Micro-USB — acts as keyboard/mouse |
| ESP8266 & ESP32 Boards | ||
| NodeMCU ESP8266 (V3) | NODEMCU-V3 | ESP8266, 802.11 b/g/n Wi-Fi, 11 GPIO, Micro-USB, 3.3V — IoT workhorse |
| Wemos D1 Mini | D1-MINI | ESP8266, compact form factor, Micro-USB, 3.3V — breadboard friendly |
| ESP32 Dev Board (38-pin) | ESP32-DEVKIT | ESP32, dual-core 240MHz, Wi-Fi + BLE, 38 pins, Micro-USB |
| ESP32-S3 Dev Board | ESP32-S3-DEV | ESP32-S3, 240MHz, Wi-Fi + BLE 5.0, USB-C, native USB OTG |
| Raspberry Pi & Single Board Computers | ||
| Raspberry Pi Zero 2W | RPI-ZERO2W | Quad-core 1GHz, 512MB RAM, Wi-Fi + BT, Mini-HDMI — availability varies |
| Raspberry Pi 4 Model B (2GB) | RPI4-2GB | BCM2711 quad-core 1.5GHz, 2GB RAM, 2× USB-C, dual HDMI — enquire for stock |
| Raspberry Pi Pico | RPI-PICO | RP2040 dual-core 133MHz, 264KB SRAM, 26 GPIO, Micro-USB, 3.3V |
| Raspberry Pi Pico W | RPI-PICO-W | RP2040 + CYW43439 Wi-Fi/BT, same form factor as Pico |
| AVR & ARM Microcontrollers (Bare IC) | ||
| ATmega328P-PU | ATMEGA328P-PU | 8-bit AVR, 32KB flash, 2KB SRAM, DIP-28 — brain of Arduino Uno |
| ATmega8A-PU | ATMEGA8A-PU | 8-bit AVR, 8KB flash, 1KB SRAM, DIP-28 |
| ATtiny85-20PU | ATTINY85-20PU | 8-bit AVR, 8KB flash, 6 I/O, DIP-8 — minimal standalone MCU |
| PIC16F877A | PIC16F877A | 8-bit PIC, 14KB flash, 5 I/O ports, ADC, UART, SPI, I²C, DIP-40 |
| Shields & Add-on Modules | ||
| Arduino Uno Sensor Shield V5 | SENSOR-SHIELD-V5 | Breaks out all pins to 3-pin servo connectors (VCC/GND/SIG) |
| Motor Driver Shield L298P | MTR-SHIELD-L298 | Dual H-bridge, 2A/ch, stackable on Uno/Mega |
| Ethernet Shield W5100 | ETH-SHIELD-W5100 | WIZnet W5100, 10/100 Ethernet, SD card slot, Uno/Mega compatible |
| GSM/GPRS Shield SIM800L Module | SIM800L-MOD | Quad-band GSM/GPRS, UART, SIM slot — SMS & data for Arduino/ESP |
| FTDI USB-to-Serial Adapter | FTDI-232RL | FT232RL, USB-A, 3.3V/5V selectable — for Pro Mini & bare AVR programming |
| USB-to-TTL Serial Adapter (CH340G) | CH340G-USB | CH340G, Micro-USB, 3.3V/5V — low-cost alternative to FTDI |
| Starter & Project Kits | ||
| Arduino Starter Kit (Basic) | KIT-ARD-BASIC | Uno clone + breadboard + resistors + LEDs + jumpers + basic components — beginner bundle |
| Electronics Component Assortment Kit | KIT-COMP-ASST | Resistors, capacitors, diodes, transistors, ICs — mixed value packs |
| 555 Timer Project Kit | KIT-555 | NE555-based oscillator, PWM, monostable experiments — beginner PCB kit |
| FM Radio Kit | KIT-FM-RADIO | TEA5767-based FM stereo receiver kit with PCB |
| Digital Voltmeter Kit | KIT-DVM | ICL7107-based 3.5-digit LED voltmeter — assemble & learn |
| STM32 & ARM Cortex Boards | ||
| STM32 Blue Pill (STM32F103C8T6) | STM32-BLUEPILL | ARM Cortex-M3, 72MHz, 64KB flash, 20KB SRAM, Micro-USB, 3.3V — Arduino-compatible via ST-Link |
| STM32 Black Pill (STM32F411CEU6) | STM32-BLACKPILL | ARM Cortex-M4, 100MHz, 512KB flash, USB-C — faster than Blue Pill |
| STM32 Nucleo-F103RB | NUCLEO-F103RB | STM32F103RBT6, 72MHz, 128KB flash, Arduino-compatible headers, ST-Link on-board |
| ST-Link V2 Programmer | STLINK-V2 | SWD/JTAG debugger/programmer for STM32/STM8, USB dongle — for Blue/Black Pill programming |
| Arduino Due (SAM3X8E) | ARD-DUE | ARM Cortex-M3, 84MHz, 512KB flash, 3.3V native, Micro-USB — for high-speed data processing |
| Arduino Leonardo | ARD-LEONARDO | ATmega32U4, native USB HID, Micro-USB — acts as keyboard/mouse/gamepad without extra chip |
| Teensy 4.0 | TEENSY-4-0 | ARM Cortex-M7, 600MHz, 2MB flash, USB-C — fastest Arduino-compatible board |
| Single Board Computers (Other) | ||
| BBC micro:bit V2 | MICROBIT-V2 | nRF52833, BLE 5.0, 25-LED matrix, accelerometer, microphone, USB — education-focused |
| Orange Pi Zero 2W | OPIZERO2W | Allwinner H618, quad-core 1.5GHz, 1GB RAM, Wi-Fi + BT, GPIO — enquire for stock |
| Banana Pi M2 Zero | BPI-M2ZERO | Allwinner H2+, quad-core 1.2GHz, 512MB RAM, Wi-Fi, Pi Zero form factor |
| Jetson Nano (4GB) | JETSON-NANO-4G | NVIDIA 128-core Maxwell GPU, quad-core ARM A57, 4GB — for AI/ML edge inference; enquire for stock |
| Programmer & Debug Tools | ||
| USBasp AVR Programmer | USBASP | Open-source ISP programmer for AVR, USB, 10-pin IDC — for burning Arduino bootloader |
| Arduino ISP Shield | ARD-ISP-SHIELD | Plugs onto Uno to program other bare AVR chips with Arduino as ISP |
| PICkit 3 / PICkit 4 Clone | PICKIT3-CLONE | PIC microcontroller debugger/programmer, ICSP — for PIC16F/PIC18F series |
| Robot & Automation Kits | ||
| 2WD Robot Car Chassis Kit | ROBOT-2WD-KIT | Acrylic chassis + 2× BO motor + 2× wheels + caster + battery holder — base for line follower / obstacle avoider |
| 4WD Robot Car Chassis Kit | ROBOT-4WD-KIT | Acrylic 4WD platform, 4× gear motor, mecanum-compatible — for terrain-capable robots |
| Line Follower Robot Kit (Complete) | KIT-LINEFOLLOWER | 2WD chassis + IR sensors + L298N + Arduino Nano + all electronics — ready to assemble |
| Obstacle Avoidance Robot Kit | KIT-OBSTACLE | 2WD chassis + HC-SR04 ultrasonic + servo pan + L298N + Arduino Uno — complete kit |
| Arm Robot Kit (4-DOF) | KIT-ARMROBOT-4DOF | Acrylic 4-DOF robot arm + 4× SG90 servos + servo controller board |
| Smart Home Automation Kit | KIT-SMARTHOME | ESP8266 + relays + DHT22 + PIR + buzzer — build a Wi-Fi home automation system |
| IoT Weather Station Kit | KIT-WEATHER-IOT | ESP32 + BME280 + OLED + battery + PCB — complete standalone weather station kit |
| Solderless Prototyping Kit (All-in-One) | KIT-BREADBOARD-ALL | 830pt breadboard + MB102 PSU + jumper wires + resistors + capacitors + ICs + LEDs |
PCBs & Prototyping
| Component | Part No. | Specification |
|---|---|---|
| Breadboards | ||
| Full-Size Breadboard 830 Tie-Points | BB-830 | 830 tie-points, 2 power rails, self-adhesive base — standard full size |
| Half-Size Breadboard 400 Tie-Points | BB-400 | 400 tie-points, 2 power rails — compact, compatible with 170-point mini |
| Mini Breadboard 170 Tie-Points | BB-170 | 170 tie-points, no power rails — very compact, for quick tests |
| Breadboard Power Supply 5V/3.3V | BB-PSU-MB102 | MB102, 5V & 3.3V rails, powered via USB or DC barrel jack |
| Perfboard & Stripboard | ||
| Single-Sided Perfboard 5×7cm | PB-5X7 | FR4, 2.54mm pitch, single-sided copper pads, 5×7cm |
| Single-Sided Perfboard 7×9cm | PB-7X9 | FR4, 2.54mm pitch, single-sided copper pads, 7×9cm |
| Single-Sided Perfboard 9×15cm | PB-9X15 | FR4, 2.54mm pitch, 9×15cm — larger prototype area |
| Double-Sided Perfboard 5×7cm | PB-DS-5X7 | FR4, double-sided, copper on both sides, 2.54mm pitch |
| Stripboard / Veroboard 9×15cm | VB-9X15 | Copper strips along rows, 2.54mm pitch — requires strip cuts for isolation |
| Arduino Uno Prototype Shield | UNO-PROTO-SHIELD | PCB shield that plugs onto Uno with perfboard area and mini breadboard slot |
| Copper Clad Boards (For Etching) | ||
| Single-Sided Copper Clad 10×15cm | CCL-SS-10X15 | FR4, 35µm copper, single-sided, 10×15cm — for DIY PCB etching |
| Single-Sided Copper Clad 20×30cm | CCL-SS-20X30 | FR4, 35µm copper, single-sided, 20×30cm |
| Double-Sided Copper Clad 10×15cm | CCL-DS-10X15 | FR4, 35µm copper, double-sided, 10×15cm |
| IC Sockets & Headers | ||
| IC Socket DIP-8 | SOCK-DIP8 | 2.54mm pitch, turned-pin, gold-plated contacts |
| IC Socket DIP-14 | SOCK-DIP14 | 2.54mm pitch, turned-pin |
| IC Socket DIP-16 | SOCK-DIP16 | 2.54mm pitch, turned-pin |
| IC Socket DIP-28 | SOCK-DIP28 | 2.54mm pitch, turned-pin — for ATmega328P |
| IC Socket DIP-40 | SOCK-DIP40 | 2.54mm pitch, turned-pin — for ATmega16/32, PIC16F877A |
| Pin Header Male 1×40 (Single Row) | HDR-M-1X40 | 2.54mm pitch, breakable strip — standard dev board headers |
| Pin Header Female 1×40 (Single Row) | HDR-F-1X40 | 2.54mm pitch, breakable socket strip |
| Pin Header Male 2×40 (Double Row) | HDR-M-2X40 | 2.54mm pitch, 2-row breakable strip |
| Right-Angle Pin Header Male 1×40 | HDR-RA-M-1X40 | 2.54mm pitch, 90° bend — edge connectors & panel mounting |
| Connectors & Terminals | ||
| Screw Terminal Block 2-Pin (2.54mm) | STB-2P-254 | 2-pin, 2.54mm pitch, PCB mount, 10A |
| Screw Terminal Block 2-Pin (5.08mm) | STB-2P-508 | 2-pin, 5.08mm pitch — for heavier wire, 15A |
| Screw Terminal Block 3-Pin (5.08mm) | STB-3P-508 | 3-pin, 5.08mm pitch, PCB mount |
| JST-PH 2-Pin Connector Set | JST-PH2-SET | 2mm pitch, male + female housing + crimped contacts — LiPo battery connector |
| JST-XH 2-Pin Connector Set | JST-XH2-SET | 2.5mm pitch, male + female — widely used in RC & battery applications |
| Dupont Connector Kit (2.54mm) | DUPONT-KIT | Housing (1/2/3/4-pin) + male & female crimp pins — for making custom jumper cables |
| Additional IC & ZIF Sockets | ||
| IC Socket DIP-18 | SOCK-DIP18 | DIP-18, 2.54mm, turned-pin — for ULN2803, PIC16F628, etc. |
| IC Socket DIP-20 | SOCK-DIP20 | DIP-20, 2.54mm, turned-pin — for 74HC245/373/374, etc. |
| IC Socket DIP-24 | SOCK-DIP24 | DIP-24, 2.54mm — for MAX7219, NE556 (14-wide) |
| ZIF Socket 28-Pin (2.54mm) | ZIF-28 | Zero insertion force, 28-pin, lever-clamp — for safe IC extraction, ATmega328P programming |
| ZIF Socket 16-Pin (2.54mm) | ZIF-16 | Zero insertion force, 16-pin, lever-clamp — for DIP-16 IC programming jigs |
| PLCC-44 Socket (PCB Mount) | PLCC44-SOCK | PLCC-44 through-hole socket — for PLCC-packaged CPLDs and vintage ICs |
| SMD Adapter Boards | ||
| SOIC-8 to DIP-8 Adapter | SOIC8-DIP8 | SMD to through-hole breakout, 1.27mm to 2.54mm — solder SOIC-8 chips for breadboard use |
| SOIC-16 to DIP-16 Adapter | SOIC16-DIP16 | SOIC-16 breakout to DIP-16 |
| QFP-32 to DIP-32 Adapter | QFP32-DIP32 | 32-pin QFP/TQFP breakout — for surface-mount MCU evaluation |
| SOT-23 to DIP-3 Adapter | SOT23-DIP3 | SOT-23 3-pin breakout — breadboard-compatible SMD transistors & regulators |
| SOT-223 to DIP-4 Adapter | SOT223-DIP4 | SOT-223 breakout to DIP — for AMS1117 LDO evaluation on breadboard |
| PCB Etching & Fabrication Supplies | ||
| Ferric Chloride Etchant (500g) | FECL3-500G | FeCl₃ anhydrous granules, 500g — mix with water for PCB etching (handles Cu in ~10min) |
| Sodium Persulfate Etchant (500g) | NA2S2O8-500G | Na₂S₂O₈, 500g — clear etchant, easier to monitor progress vs FeCl₃ |
| Toner Transfer Paper (A4, Pack 10) | TONER-TRANSFER-A4 | Glossy toner-transfer media, A4, 10 sheets — for laser-print to PCB toner transfer method |
| UV-Sensitive Photo Resist Film (A4) | PHOTO-RESIST-A4 | Dry film photoresist, single-sided, A4 sheet — laminate onto copper clad, expose, develop |
| Etch Tank / Container (1.5L) | ETCH-TANK-1L5 | PP plastic container for etchant, lid included, graduated markings |
| Carbide PCB Drill Bits (0.8mm, Pack 10) | DRILLBIT-0R8 | 0.8mm tungsten carbide, pack of 10 — standard via and component hole size |
| Carbide PCB Drill Bits (1.0mm, Pack 10) | DRILLBIT-1R0 | 1.0mm tungsten carbide, pack of 10 — for larger component leads & connectors |
| Carbide PCB Drill Bits (Assorted Set) | DRILLBIT-ASST | 10-piece set: 0.6/0.7/0.8/0.9/1.0/1.1/1.2/1.5/2.0/2.5mm tungsten carbide |
| More Headers, Sockets & Connectors | ||
| Pin Header Male 2.0mm Pitch 1×40 | HDR-M-2MM-1X40 | 2.0mm pitch, breakable — for 2.0mm JST-PH & battery harnesses |
| JST-XH 3-Pin Connector Set | JST-XH3-SET | 3-pin, 2.5mm pitch, male housing + female + crimps — motor & sensor wiring |
| JST-XH 4-Pin Connector Set | JST-XH4-SET | 4-pin, 2.5mm pitch — I²C, stepper motor, UART connectors |
| Molex KK 3-Pin Connector Set (2.54mm) | MOLEX-KK3-SET | 3-pin, 2.54mm pitch, locking housing — fan, servo, harness connectors |
| Molex KK 4-Pin Connector Set | MOLEX-KK4-SET | 4-pin, 2.54mm pitch, locking — power supply harnesses, PC fan |
| SD Card Slot (PCB Mount, SPI) | SD-SLOT-PCB | Full-size SD card push-pull socket, PCB mount, SPI/SDIO — for data logging designs |
| MicroSD Card Slot (PCB Mount) | MICROSD-SLOT-PCB | MicroSD push-push SMD socket, PCB mount — compact data logger footprint |
| SIM Card Holder (Push-Push, 6-pin) | SIM-SLOT-6P | Mini-SIM card holder, SMD, 6-contact — for GSM modem designs |
| FPC/FFC Connector 8-pin (0.5mm Pitch) | FPC-8P-0R5 | 8-pin flat cable connector, 0.5mm pitch, top contact, ZIF — for LCD ribbon cables |
| FPC/FFC Connector 16-pin (1.0mm Pitch) | FPC-16P-1R0 | 16-pin, 1.0mm pitch, ZIF — for camera & display ribbon connections |
| Screw Terminal Block 4-Pin (3.5mm) | STB-4P-35 | 4-pin, 3.5mm pitch, PCB — compact terminal for RS-485, 4-wire sensors |
| Screw Terminal Block 6-Pin (5.08mm) | STB-6P-508 | 6-pin, 5.08mm pitch — for mains voltage PCB terminals |
Tools & Soldering
| Component | Part No. | Specification |
|---|---|---|
| Soldering Irons & Stations | ||
| Soldering Iron 25W | SI-25W | 25W, fixed temperature ~350°C, pencil tip — for light PCB work |
| Soldering Iron 40W | SI-40W | 40W, fixed temperature ~400°C — general purpose |
| Soldering Station 60W (Temperature-Controlled) | SS-60W-TC | 60W, 200–480°C adjustable, digital display, replaceable tips |
| Soldering Iron Tip (Conical) | TIP-CONICAL | Pointed conical tip — for fine pitch SMD work |
| Soldering Iron Tip (Chisel 2mm) | TIP-CHISEL-2 | 2mm chisel tip — general through-hole & drag soldering |
| Soldering Iron Stand with Sponge | SI-STAND | Coiled steel stand, wet sponge pad — universal fit |
| Solder & Flux | ||
| Solder Wire 60/40 Rosin Core 0.8mm | SLD-6040-08 | Sn60Pb40, 0.8mm, rosin flux core — standard electronics solder |
| Solder Wire 60/40 Rosin Core 1.0mm | SLD-6040-10 | Sn60Pb40, 1.0mm, rosin flux core — general through-hole soldering |
| Lead-Free Solder Wire 0.8mm (SAC305) | SLD-LF-08 | Sn96.5Ag3Cu0.5, 0.8mm, rosin core, higher melting point 217°C |
| Flux Paste (No-Clean) | FLUX-NC-PASTE | No-clean rosin paste flux, 10ml syringe — for rework & drag soldering |
| Liquid Flux Pen (No-Clean) | FLUX-NC-PEN | Alcohol-based no-clean flux pen — precise application |
| Solder Wick / Desoldering Braid 2.5mm | WICK-25 | 2.5mm copper braid, flux-impregnated — for clean solder removal |
| Desoldering Pump (Solder Sucker) | DESOLD-PUMP | Spring-loaded vacuum pump, aluminium body — for through-hole desoldering |
| Hand Tools | ||
| Wire Stripper (20–30AWG) | WS-20-30 | Automatic adjusting, strips 20–30AWG, ergonomic grip |
| Flush / Side Cutters | FC-FLUSH | Flush-cut pliers — for trimming component leads flush to PCB |
| Long Nose / Needle-Nose Pliers | PLIER-LN | 150mm, smooth jaw, for bending leads & component placement |
| Tweezers (ESD-Safe, Straight) | TWZ-ESD-ST | Anti-static stainless, straight fine tip — SMD component handling |
| Tweezers (ESD-Safe, Curved) | TWZ-ESD-CRV | Anti-static, curved tip — for tight spaces |
| Crimping Tool (Dupont / JST) | CRIMP-TOOL | Ratchet crimper for 2.54mm / 2.0mm / 2.5mm connector pins |
| PCB Holder / Third Hand | PCB-HOLDER | Adjustable alligator clips on weighted base — holds PCB during soldering |
| Helping Hands with Magnifier | HELPING-HANDS | 2 alligator clips + 2.5× magnifying glass on adjustable arms |
| Measuring & Test Equipment | ||
| Digital Multimeter | DMM-DT830 | DT830D-style, DC/AC voltage, DC current, resistance, diode test — entry level |
| Digital Multimeter (Auto-ranging) | DMM-AR | Auto-ranging, True RMS, capacitance, frequency, temperature — mid-range |
| Clamp Meter AC/DC | CLAMP-600A | 600A AC/DC clamp, True RMS — for mains current measurement without breaking circuit |
| Logic Probe (TTL/CMOS) | LOGIC-PROBE | LED indicators for high/low/pulse, 5V TTL & CMOS compatible |
| Bench Power Supply (Variable) | BPS-30V3A | 0–30V / 0–3A adjustable, digital display — enquire for availability |
| Cleaning & Finishing | ||
| PCB Cleaner / Flux Remover Spray | PCB-CLEAN | IPA-based aerosol, removes flux residue & oils — safe for most plastics |
| Conformal Coating Spray (Acrylic) | CONF-COAT | Acrylic aerosol, moisture & dust protection for finished PCBs |
| Tip Tinner / Activator | TIP-TINNER | Paste for restoring oxidised soldering iron tips — restores wettability |
| Anti-Static Wrist Strap | ESD-STRAP | Adjustable, 1MΩ resistor, 1.8m coil cord, alligator clip ground |
| Anti-Static Mat (30×30cm) | ESD-MAT-30 | Green rubber anti-static bench mat — for safe component handling |
| Hot Air Rework & SMD Soldering | ||
| Hot Air Rework Station 700W | HAAS-700W | 100–500°C, 1–8 airflow, digital display, multiple nozzles — SMD component removal & reflow |
| Soldering + Hot Air Combo Station | 2IN1-SS-HAAS | 2-in-1: temp-controlled iron + hot air, dual digital display — professional rework station |
| Hot Air Nozzle Set (Round, Various) | HAAS-NOZZLE-SET | 4-piece nozzle set (4/6/8/10mm) for hot air station — SMD IC sizes |
| SMD Solder Paste Sn63Pb37 (35g) | PASTE-6337-35G | Sn63Pb37, no-clean flux, Type-4 (38–25µm), syringe — for paste-and-reflow SMD assembly |
| SMD Solder Paste Lead-Free (35g) | PASTE-LF-35G | SAC305 lead-free paste, no-clean, syringe — RoHS-compliant SMD assembly |
| SMD Stencil (Laser-Cut Mylar, A4) | SMD-STENCIL-A4 | Custom or generic 0402/0603/SOIC stencil — paste application for consistent SMD assembly |
| Solder Wick 1.5mm (Fine) | WICK-15 | 1.5mm fine braid — for precision SMD desoldering & bridged pin cleanup |
| Solder Wick 3.5mm (Wide) | WICK-35 | 3.5mm wide braid — faster desoldering of larger pads & QFP packages |
| Brass Wire Tip Cleaner (Ball) | TIP-BALL-BRASS | Brass shavings in can — dry tip cleaning, no temperature shock unlike wet sponge |
| UV Solder Mask (Green, 10ml) | UVSM-GREEN-10 | UV-curable solder mask in syringe, green — protect traces & repairs on finished PCBs |
| Isopropyl Alcohol IPA 99.9% (500ml) | IPA-99-500ML | 99.9% IPA, 500ml bottle — flux cleaning, PCB wash, general electronics cleaning |
| Additional Hand & Workshop Tools | ||
| Wire Stripper & Crimper Combo (20–30AWG) | WS-COMBO-30 | Strip + crimp + cut in one tool, 20–30AWG — multipurpose wiring tool |
| Ratchet Crimping Tool (Ferrule) | CRIMP-FERRULE | For bootlace ferrule end sleeves 0.5–6mm² — essential for DIN rail terminal wiring |
| PCB Drill Press (Mini Bench) | DRILLPRESS-MINI | Mini drill press stand for Dremel / rotary tool, depth stop, for PCB drilling |
| Rotary Tool Kit (Dremel-style) | ROTARY-TOOL-KIT | Multi-speed rotary tool, 40-piece accessory kit — drilling, cutting, grinding, engraving |
| Digital Calipers (150mm) | CALIPER-150MM | 150mm digital vernier, 0.01mm resolution — for measuring PCB features, component dimensions |
| Screw Driver Set (Precision) | SCREWDRV-PREC-SET | 6-piece precision set — PH0/PH1/SL 1.5–4mm — for electronics enclosures & device teardowns |
| Fume Extractor / Solder Absorber | FUME-EXT | 12V fan with activated carbon filter — removes flux fumes from soldering area |
Power & Adaptors
| Component | Part No. | Specification |
|---|---|---|
| Voltage Regulators & Power Modules | ||
| Buck Converter Module (Adjustable) | BUCK-LM2596 | LM2596-based, 3–40V in, 1.5–35V out, 3A — step-down DC-DC |
| Buck Converter Module (USB Output) | BUCK-USB-5V | 7–24V in → 5V/3A USB-A out — car & panel power supply |
| Boost Converter Module (Adjustable) | BOOST-MT3608 | MT3608, 2–24V in → up to 28V out, 2A — step-up DC-DC |
| Buck-Boost Converter Module | XL6009-BUCKBOOST | XL6009, 3–32V in → 5–35V out — works above and below input voltage |
| LiPo Charging Module (USB) | TP4056-MOD | TP4056, 1A charging, Micro-USB, with protection circuit — for 3.7V LiPo |
| LiPo Charging + Boost Module 5V | LIPO-BOOST-5V | Charge via USB + boost 3.7V LiPo to 5V out — all-in-one power bank module |
| AC-DC HLK-5M05 (5V/1A Mains Module) | HLK-5M05 | 85–265V AC in → 5V/1A DC out, encapsulated, PCB-mountable |
| AC-DC HLK-5M12 (12V/0.5A Mains Module) | HLK-5M12 | 85–265V AC in → 12V/0.5A DC out, encapsulated |
| Batteries & Holders | ||
| 9V Alkaline Battery (PP3) | BATT-9V-ALK | PP3 / 6F22, 9V alkaline — standard for breadboard projects |
| AA Battery Holder (2-Cell) | BH-AA-2 | 2×AA, 3V, with JST-PH connector lead |
| AA Battery Holder (4-Cell) | BH-AA-4 | 4×AA, 6V, with JST-PH connector lead & switch |
| CR2032 Coin Cell Battery | CR2032 | 3V, 230mAh — for RTC modules & low-power memory backup |
| CR2032 Coin Cell Holder (PCB) | BH-CR2032-PCB | Through-hole PCB mount, horizontal, positive-up |
| Switches & Fuses | ||
| SPDT Toggle Switch | SW-SPDT-TOG | SPDT, 6A/125VAC, panel mount, solder lug — on/off/on |
| DPDT Toggle Switch | SW-DPDT-TOG | DPDT, 6A/125VAC, panel mount — for polarity reversal circuits |
| Tactile Push Button (6×6mm) | PB-6X6-4PIN | 6×6mm, 4-pin SMD/THT, 50mA — breadboard & PCB reset switches |
| Tactile Push Button (12×12mm) | PB-12X12 | 12×12mm, through-hole, with cap — panel-size push button |
| Momentary Push Button (Panel, 16mm) | PB-16MM-MOM | 16mm, NO momentary, panel mount, screw terminal — in red, green, blue |
| Slide Switch SPDT (PCB) | SW-SLIDE-SPDT | SPDT, 2.54mm pitch, 0.5A — power & mode selection on small boards |
| Rotary Encoder (with Push) | EC11-ROT-ENC | EC11, 20 detents/rev, with push-button, 5-pin — menu navigation |
| Glass Fuse 5A (20mm) | FUSE-5A-20 | 5×20mm, 5A, fast-blow, glass body |
| Glass Fuse 2A (20mm) | FUSE-2A-20 | 5×20mm, 2A, fast-blow |
| PCB Fuse Holder (20mm) | FUSE-HOLD-PCB | PCB-mount fuse holder for 5×20mm glass fuses |
| Additional DC-DC & Power Modules | ||
| Isolated DC-DC Converter 5V→5V / 1W | B0505S-1W | 5V in → 5V out, 200mA, galvanically isolated — for RS-485 / CAN node isolation |
| Isolated DC-DC Converter 12V→5V / 3W | B1205S-3W | 12V in → 5V out, 600mA, isolated — automotive & industrial application |
| Buck Converter Module (Digital Display) | BUCK-LM2596-DD | LM2596 + voltmeter display, 4–40V in → 1.25–35V, 3A — easy dial-in output voltage |
| USB Buck Converter 9/12/24V → 5V 3A | BUCK-USB-3A | Mini USB-A step-down, 6–24V → 5V, 3A — in-car charger / solar USB output |
| Super Capacitor Balancing Module | SCAP-BAL-MOD | Passive balancer for supercapacitor bank — ensures equal voltage across cells |
| LiPo Battery Protection Module 1S (BMS) | BMS-1S-3A | DW01+FS8205A, 3A, overcharge/discharge/short protection for single-cell Li-ion |
| LiPo Battery Protection Module 2S (BMS) | BMS-2S-10A | 2S Li-ion BMS, 10A continuous, balancing — for 7.4V battery packs |
| MPPT Solar Charger Module (5A) | MPPT-5A-MOD | CN3791-based MPPT, 12V lead-acid / Li-ion, 5A, USB out — for small solar systems |
| Wireless Charging Module (Tx + Rx) | QI-5W-SET | 5W Qi wireless charger coil set, Tx + Rx pair, 5V in/out — for custom wireless charging projects |
| Additional Switches | ||
| Rocker Switch SPST (Panel, 1-Gang) | ROCKER-SPST-1G | SPST ON/OFF, 10A/250VAC, panel mount, available with LED indicator |
| Illuminated Rocker Switch (Blue LED) | ROCKER-LED-BLU | SPST with integrated blue LED indicator, 10A/250VAC — power indicator switch |
| Keylock Switch (Panel, 2-Position) | KEYLOCK-2P | 2-position, SPDT, key-operated, 2A — security enable/disable for equipment |
| Rotary Switch 4-Position (1P4T) | ROT-SW-1P4T | 1-pole 4-throw rotary, 5A, panel mount — range/function selection |
| Rotary Switch 12-Position (1P12T) | ROT-SW-1P12T | 1-pole 12-throw, 2A — channel/mode selector, clock divider circuits |
| DIP Switch 4-Position (SPST, PCB) | DIPSW-4P | 4× SPST, 2.54mm pitch, PCB mount — address setting, configuration jumpers |
| DIP Switch 8-Position (SPST, PCB) | DIPSW-8P | 8× SPST, 2.54mm pitch — I²C address, MCU boot mode, option byte selection |
| Microswitch SPDT (Lever, PCB) | MICRO-SW-LEVER | Micro limit switch, SPDT, 5A, lever actuated — 3D printer end-stop, CNC homing |
| Foot Pedal Switch (SPDT, Panel) | FOOT-SW-SPDT | SPDT foot pedal switch, 5A/125VAC, latching — hands-free bench control |
| Resettable & Specialty Fuses | ||
| PTC Resettable Fuse 0.5A | PTC-050-60V | 500mA hold / 1A trip, 60V, radial — self-resetting, no replacement needed |
| PTC Resettable Fuse 1A | PTC-100-60V | 1A hold / 2A trip, 60V — USB port protection, motor overcurrent |
| PTC Resettable Fuse 3A | PTC-300-30V | 3A hold / 6A trip, 30V — battery & LiPo protection |
| Blade Auto Fuse 5A (ATO) | AUTO-FUSE-5A | ATO blade fuse, 5A, standard size — automotive / 12V system protection |
| Blade Auto Fuse 10A (ATO) | AUTO-FUSE-10A | ATO blade fuse, 10A — car electronics, solar charge controllers |
| ATO Blade Fuse Holder (PCB Mount) | ATO-FUSE-HOLD-PCB | PCB-mount holder for ATO blade fuses — clean automotive-style fuse integration |
| Glass Fuse 1A (20mm, Fast) | FUSE-1A-20 | 5×20mm, 1A, fast-blow, glass — low-current circuit protection |
| Glass Fuse 3A (20mm, Slow) | FUSE-3A-20-SLO | 5×20mm, 3A, slow-blow (anti-surge) — for transformer primary & motor circuits |
| Glass Fuse 10A (20mm) | FUSE-10A-20 | 5×20mm, 10A, fast-blow — mains appliance & high-current DC supply protection |
| Inline Fuse Holder (Panel Wire) | FUSE-HOLD-INLINE | Inline wire fuse holder for 5×20mm, with cap — adds fuse to any wire run |
| EMI Suppression & Noise Filtering | ||
| Ferrite Clamp-On Choke (for USB / Signal Cable) | FERRITE-CLAMP-5MM | Snap-on ferrite, 5mm cable dia, suppresses 30MHz–1GHz — USB & data cable EMI |
| Ferrite Clamp-On Choke (for Power Cable) | FERRITE-CLAMP-13MM | Snap-on ferrite, 13mm cable dia — for mains & DC power cable noise |
| EMI Filter Capacitor (10nF / 250VAC, X2) | X2-10N-250V | X2 class, 10nF, 250VAC — across mains line for RF interference suppression |
| Common Mode Choke (10mH / 1A, Through-Hole) | CMC-10MH-1A-TH | 10mH, 1A, common mode choke, through-hole — mains & DC line EMI filter |
| Varistor (MOV) 130V AC | S14K130 | 14mm disc, 130VAC clamping — lower voltage mains suppression |
| Varistor (MOV) 385V AC | S20K385 | 20mm disc, 385VAC — high-surge mains protection for heavy equipment |
| Line Filter Module (250VAC / 10A) | MAINS-FILTER-10A | Single-stage LC mains filter, IEC C14 + screw terminal, 10A — reduces conducted emissions |
Transistors
| Component | Part No. | Specification |
|---|---|---|
| BC Series — Small Signal NPN/PNP | ||
| BC547 NPN Transistor | BC547 | NPN, 45V, 100mA, TO-92 — general-purpose amplifier and switch; stocked 200+ |
| BC548 NPN Transistor | BC548 | NPN, 30V, 100mA, TO-92 — low-noise amplifier variant |
| BC549 NPN Transistor | BC549 | NPN, 30V, 100mA, low-noise — audio preamp stages |
| BC556 PNP Transistor | BC556 | PNP, 65V, 100mA, TO-92 — complement to BC546 series |
| BC557 PNP Transistor | BC557 | PNP, 45V, 100mA, TO-92 — complement to BC547 |
| BC558 PNP Transistor | BC558 | PNP, 30V, 100mA — complement to BC548 |
| BC327 PNP Transistor | BC327 | PNP, 45V, 800mA, TO-92 — driver stage, medium current |
| BC337 NPN Transistor | BC337 | NPN, 45V, 800mA, TO-92 — medium current driver; complement to BC327 |
| BC338 NPN Transistor | BC338 | NPN, 25V, 800mA — switching and driver applications |
| BC639 NPN Transistor | BC639 | NPN, 80V, 1A, TO-92 — medium power switch and amplifier |
| BC640 PNP Transistor | BC640 | PNP, 80V, 1A — complement to BC639 |
| A/B Series — Toshiba Small Signal (TO-92) | ||
| A1015 PNP General Purpose | A1015 | PNP, 50V, 150mA, TO-92 — pairs with C1815 for audio preamp stages |
| A733 PNP Transistor | A733 | PNP, 60V, 100mA — general purpose, VCR/TV signal circuits |
| A738 PNP Transistor | A738 | PNP, 80V, 700mA — driver stage in audio/CRT equipment |
| A966 PNP Transistor | A966 | PNP, 120V, 1.5A — line driver, power amplifier driver |
| A1023 PNP Darlington Transistor | A1023 | PNP Darlington, 50V, 500mA — relay and motor driver |
| A1043 PNP Power Transistor | A1043 | PNP, 160V, 3A, TO-3P — audio output stage, TV horizontal drive |
| C Series — Toshiba NPN (TO-92 / TO-126 / TO-3P) | ||
| C1815 NPN General Purpose | C1815 | NPN, 60V, 150mA, TO-92 — Japan standard GP transistor; ubiquitous in audio |
| C828 NPN Transistor | C828 | NPN, 25V, 50mA — VHF/UHF oscillator and amplifier |
| C945 NPN Transistor | C945 | NPN, 60V, 150mA — audio amp, signal processing |
| C2055 NPN Medium Power | C2055 | NPN, 60V, 2A, TO-126 — audio driver stage, motor switching |
| C2224 NPN Medium Power | C2224 | NPN, 60V, 3A, TO-126 — power amplifier driver |
| D/K Series — Power Transistors (TO-3P / TO-220) | ||
| D1047 NPN Power Transistor | D1047 | NPN, 160V, 12A, TO-3P — audio output, PA amplifier |
| B817 PNP Power Transistor | B817 | PNP, 160V, 12A, TO-3P — complement to D1047 |
| D667 NPN Power Transistor | D667 | NPN, 120V, 7A, TO-220 — audio output, inverter, motor drive |
| D400 NPN Driver Transistor | D400 | NPN, 25V, 700mA, TO-126 — TV sound driver, relay driver |
| Diodes — Signal & General Purpose (Through-Hole) | ||
| 1N4148 Signal Diode | 1N4148 | 75V, 300mA, fast switching, DO-35 glass — the standard signal diode; stocked 500+ |
| 1N914 Signal Diode | 1N914 | 75V, 75mA, DO-35 — equivalent to 1N4148 in most applications |
| Diodes — Rectifier (Through-Hole) | ||
| 1N4001 Rectifier Diode | 1N4001 | 50V, 1A, DO-41 — low-voltage rectifier; freewheeling diode for relay coils |
| 1N4002 Rectifier Diode | 1N4002 | 100V, 1A, DO-41 — general-purpose rectification |
| 1N4004 Rectifier Diode | 1N4004 | 400V, 1A, DO-41 — the workhorse rectifier diode; stocked 500+ |
| 1N4007 Rectifier Diode | 1N4007 | 1000V, 1A, DO-41 — highest-voltage 1N400x series; standard in mains rectifier circuits |
| Bridge Rectifier DB107 (1A / 1000V) | DB107 | 1A, 1000V, DIP-4 — single-phase full-wave bridge rectifier module |
| Bridge Rectifier DB104S (1A / 400V) | DB104S | 1A, 400V, SIP-4 — compact PCB-mount bridge rectifier |
| Bridge Rectifier KBPC3510 (35A / 1000V) | KBPC3510 | 35A, 1000V, KBPC chassis-mount — heavy-duty power supply bridge rectifier |
| Diodes — Zener (Through-Hole) | ||
| Zener Diode 3.3V / 500mW | BZX55C3V3 | 3.3V, 500mW, DO-35 — voltage reference and ESD clamp |
| Zener Diode 4.7V / 500mW | BZX55C4V7 | 4.7V, 500mW, DO-35 — 5V rail protection and reference |
| Zener Diode 5.1V / 500mW | BZX55C5V1 | 5.1V, 500mW, DO-35 — 5V regulation and clamping |
| Zener Diode 5.6V / 500mW | BZX55C5V6 | 5.6V, 500mW, DO-35 — 5.5V rail clamp |
| Zener Diode 6.2V / 500mW | BZX55C6V2 | 6.2V, 500mW, DO-35 — 6V rail clamp |
| Zener Diode 9.1V / 1W | 1N4739A | 9.1V, 1W, DO-41 — 9V reference and regulation |
| Zener Diode 12V / 1W | 1N4742A | 12V, 1W, DO-41 — 12V rail clamping in power supplies |
| Zener Diode 15V / 1W | 1N4744A | 15V, 1W, DO-41 — 15V supply rail clamp |
| Diodes — Schottky, Fast-Recovery & TVS | ||
| 1N5817 Schottky Diode (20V / 1A) | 1N5817 | 20V, 1A, DO-41, Schottky — low Vf 0.45V; reverse-polarity protection & low-loss rectification |
| 1N5819 Schottky Diode (40V / 1A) | 1N5819 | 40V, 1A, DO-41, Schottky — low-loss rectification in switch-mode supplies |
| 1N5822 Schottky Diode (40V / 3A) | 1N5822 | 40V, 3A, DO-201, Schottky — boost/buck converter catch diode |
| UF4007 Ultra-Fast Rectifier (1000V / 1A) | UF4007 | 1000V, 1A, 75ns recovery, DO-41 — SMPS snubber and fast rectifier |
| FR304 Fast-Recovery Diode (400V / 3A) | FR304 | 400V, 3A, DO-201, fast recovery — flyback diode in switching power supplies |
| 1.5KE6.8A TVS Diode (6.8V) | 1.5KE6.8A | 6.8V uni-directional TVS, 1500W peak, DO-201 — transient overvoltage protection |
| P6KE Series TVS Diode | P6KE-SERIES | 600W TVS, DO-15, available 6.8V–100V — input protection on signal & power lines |
| SCR / TRIAC / DIAC | ||
| BT151-600R SCR (Thyristor) | BT151-600R | 600V, 12A, TO-220 SCR — AC mains power control, battery charger circuits |
| TYN612RG SCR | TYN612RG | 600V, 12A, TO-220 — mains SCR for light dimmers and heater control |
| BT136-600E TRIAC | BT136-600E | 600V, 4A, TO-220 — low-current AC control, dimmer and motor speed control |
| BTA12-600B TRIAC | BTA12-600B | 600V, 12A, TO-220, insulated tab — medium-power AC switching; relay replacement |
| DB3 DIAC (Breakover ~32V) | DB3-DIAC | ~32V breakover, DO-35 — TRIAC triggering device in dimmer & phase-control circuits |
| SMD Transistors & MOSFETs (SOT-23) | ||
| BC847B NPN SMD Transistor (SOT-23) | BC847B | NPN, 45V, 100mA, SOT-23 — SMD equivalent of BC547; general-purpose amplifier & switch |
| BC857B PNP SMD Transistor (SOT-23) | BC857B | PNP, 45V, 100mA, SOT-23 — SMD complement of BC557 |
| MMBT2222A NPN SMD (SOT-23) | MMBT2222A | NPN, 40V, 600mA, SOT-23 — SMD 2N2222A; fast switching & amplifier |
| MMBT3904 NPN SMD (SOT-23) | MMBT3904 | NPN, 40V, 200mA, SOT-23 — SMD equivalent of 2N3904 |
| MMBT3906 PNP SMD (SOT-23) | MMBT3906 | PNP, 40V, 200mA, SOT-23 — SMD complement of 2N3906 |
| 2N7002 N-Channel MOSFET (SOT-23) | 2N7002 | N-CH, 60V, 300mA, SOT-23 — logic-level gate drive; small signal switching |
| BSS138 N-Channel MOSFET (SOT-23) | BSS138 | N-CH, 50V, 220mA, SOT-23 — popular for logic-level shifting (3.3V ↔ 5V) |
| AO3400 N-Channel MOSFET (SOT-23) | AO3400 | N-CH, 30V, 5.7A, SOT-23 — medium load switching; motor and LED drivers |
| AO3401 P-Channel MOSFET (SOT-23) | AO3401 | P-CH, 30V, 4A, SOT-23 — high-side switch; complement to AO3400 |
| SMD Diodes (SOD-123 / SOT-23 / SMA) | ||
| 1N4148W Signal Diode (SOD-123) | 1N4148W | 75V, 150mA, SOD-123 — SMD fast-switching signal diode; direct drop-in for 1N4148 |
| BAT54 Dual Schottky Diode (SOT-23) | BAT54 | 30V, 200mA, SOT-23 — dual Schottky array; logic protection & low-Vf rectification |
| SS14 Schottky Diode (SMA) | SS14 | 40V, 1A, SMA (DO-214AC), Schottky — flyback & freewheeling in SMD power circuits |
| SS34 Schottky Diode (SMA) | SS34 | 40V, 3A, SMA — higher-current SMD Schottky for buck/boost converters |
| BZX84C5V1 Zener 5.1V (SOT-23) | BZX84C5V1 | 5.1V, 300mW, SOT-23 — SMD 5V zener for rail protection |
| BZX84C12 Zener 12V (SOT-23) | BZX84C12 | 12V, 300mW, SOT-23 — SMD 12V clamp |
| SMBJ12A TVS Diode (SMB) | SMBJ12A | 12V uni-directional TVS, 600W peak, SMB (DO-214AA) — ESD & surge protection on PCBs |
ICs & Audio Modules
| Component | Part No. | Specification |
|---|---|---|
| Timer ICs | ||
| NE555 Timer IC | NE555 | Single timer, DIP-8 — the most-used IC ever; astable, monostable, PWM circuits; stocked 500+ |
| NE556 Dual Timer IC | NE556 | Dual 555 in DIP-14 — two independent timers sharing one package |
| LM555 Timer IC | LM555 | Texas Instruments 555, DIP-8 — pin-compatible with NE555, lower power variant |
| ICM7555 CMOS Timer | ICM7555 | CMOS 555, DIP-8, micro-power — battery operated oscillator and timing circuits |
| Op-Amps & Comparators | ||
| LM741 Single Op-Amp | LM741 | Single op-amp, DIP-8, ±15V — classic general-purpose; taught in every electronics course |
| LM358 Dual Op-Amp | LM358 | Dual op-amp, DIP-8, single-supply 3–32V — ideal for sensor signal conditioning; stocked 300+ |
| LM324 Quad Op-Amp | LM324 | Quad op-amp, DIP-14, single-supply — four channels in one package; comparator and amplifier stages |
| LM393 Dual Comparator | LM393 | Dual voltage comparator, DIP-8, open-collector output — threshold detection, line following robots |
| LM311 Single Comparator | LM311 | Single comparator, DIP-8, flexible output — level detection, zero-crossing detector |
| TL071 Low-Noise Op-Amp | TL071 | Single JFET op-amp, DIP-8, low noise — audio preamp, active filter, instrumentation |
| TL072 Dual Low-Noise Op-Amp | TL072 | Dual JFET op-amp, DIP-8 — most popular audio-grade dual op-amp for DIY audio circuits |
| TL074 Quad Low-Noise Op-Amp | TL074 | Quad JFET op-amp, DIP-14 — active crossover, mixer, and multi-stage audio circuits |
| LM386 Audio Amplifier IC | LM386 | 0.5W audio amp, DIP-8, 9V battery — the go-to IC for hobby speaker amp and intercom circuits |
| Motor Driver & Darlington Array ICs | ||
| L293D H-Bridge Motor Driver | L293D | Dual H-bridge, 600mA/ch, 36V, DIP-16 with built-in flyback diodes — DC motor and stepper driver for Arduino projects |
| L298N Dual H-Bridge Driver | L298N | Dual H-bridge, 2A/ch, 46V, Multiwatt15 — higher-current motor driver; widely used in robot chassis |
| ULN2003A Darlington Array | ULN2003A | 7-channel NPN Darlington, 500mA/ch, DIP-16 — relay driver, stepper motor coil driver; pairs with 28BYJ-48 |
| ULN2803A Darlington Array | ULN2803A | 8-channel NPN Darlington, 500mA/ch, DIP-18 — higher channel count for driving LED arrays and relay banks |
| A4988 Stepper Motor Driver (IC) | A4988-IC | Microstepping bipolar stepper driver, up to 2A — bare IC for custom stepper PCBs; also available as module |
| Logic, Shift Register & Interface ICs (74HC) | ||
| 74HC595 8-Bit Shift Register | 74HC595 | Serial-in, parallel-out, latched output, DIP-16 — expand Arduino/MCU digital outputs with 3 wires; stocked 200+ |
| 74HC165 8-Bit Parallel-In Shift Register | 74HC165 | Parallel-in, serial-out, DIP-16 — read 8 digital inputs over SPI; complement to 74HC595 |
| 74HC138 3-to-8 Line Decoder | 74HC138 | 3-to-8 decoder/demultiplexer, DIP-16 — address decoding, chip select expansion |
| 74HC04 Hex Inverter | 74HC04 | 6× NOT gates, DIP-14, 74HC CMOS — signal inversion, oscillator, logic level buffer |
| 74HC14 Hex Schmitt-Trigger Inverter | 74HC14 | 6× Schmitt-trigger NOT, DIP-14 — debounce noisy signals; clean oscillator from RC network |
| 74HC00 Quad 2-Input NAND | 74HC00 | 4× NAND gates, DIP-14 — universal logic building block; any logic function |
| 74HC08 Quad 2-Input AND | 74HC08 | 4× AND gates, DIP-14 — masking and enable logic |
| 74HC32 Quad 2-Input OR | 74HC32 | 4× OR gates, DIP-14 — combining control signals |
| 74HC86 Quad 2-Input XOR | 74HC86 | 4× XOR gates, DIP-14 — parity generation, bit comparison circuits |
| MAX232 RS-232 Level Shifter | MAX232 | Dual RS-232 driver/receiver, DIP-16, ±10V from 5V supply — serial communication between MCU and PC |
| MAX485 RS-485 Transceiver | MAX485 | Half-duplex RS-485/RS-422, DIP-8 — long-distance differential serial bus; Modbus RTU applications |
| TDA Series — Audio Power Amplifier ICs | ||
| TDA2030A Audio Amplifier | TDA2030A | 18W audio amplifier, ±14V, TO-220-5 — very common in speaker amp boards |
| TDA2003 Audio Amplifier | TDA2003 | 10W car radio audio amp, 14V — replaces LM383, TDA2002 |
| TDA7240 Audio Power Amplifier | TDA7240 | 20W bridge amp, 12–18V, SIP-9 — car audio, single-supply |
| TDA7293 Audio Power Amplifier | TDA7293 | 100W DMOS audio amp, ±15–50V, Multiwatt15 — HiFi amplifier |
| TDA7294 Audio Power Amplifier | TDA7294 | 100W DMOS audio amp, ±10–40V — clean output, audiophile-grade |
| TDA7388 Quad Bridge Amplifier | TDA7388 | 4×41W quad bridge, 14.4V — car 4-channel audio amp IC |
| TDA8340 / TDA8341 TV Deflection IC | TDA8340 | IF amplifier / vision demodulator for PAL/SECAM TV — CRT TV repair |
| TDA1554 Dual-Bridge Car Amp | TDA1554 | 2×22W or 1×44W bridge, 12V car audio — popular in budget car stereos |
| TDA1557Q Dual-Bridge Amp | TDA1557Q | 2×22W, 12V, SIL-13 — car audio amplifier replacement IC |
| LA Series — Sanyo Audio ICs | ||
| LA4440 Dual/Bridge Audio Amplifier | LA4440 | 2×6W or 1×19W bridge, 12V, SIP-10 — the go-to IC for budget speaker amps in India |
| LA4550 Dual Power Amplifier | LA4550 | 2×5.5W, 12V, SIP-14 — portable radio & cassette player amps |
| LA5522 Voltage Regulator IC | LA5522 | Sanyo voltage stabiliser IC — CRT TV power regulation |
| LA7837 Vertical Deflection IC | LA7837 | Vertical deflection, 50/60Hz — CRT TV vertical scan circuit |
| STK Series — Sanyo Hybrid Power ICs | ||
| STK4191 Stereo Power Amplifier | STK4191 | 2×50W stereo amplifier module, ±30V — HiFi stereo amplifier hybrid |
| STK4525 Stereo Power Amplifier | STK4525 | 2×30W stereo, ±26V — stereo power hybrid module |
| STK7594 Switching Regulator IC | STK7594 | Switching power supply control IC — TV/VCR SMPS circuits |
| STK18B (STK18 Series) Power IC | STK18B | Monolithic power amp, 10W — portable radio power stage |
| AN Series — Panasonic Audio ICs | ||
| AN7521 Audio Amplifier | AN7521 | 2×1.8W audio, 6V — portable cassette/radio amplifier; SIP-14 |
| AN5532 Dual Low-Noise Op-Amp | AN5532 | Dual op-amp, low-noise audio-grade — mixer & preamp applications |
| AN6612 FM IF / Detector IC | AN6612 | FM IF amplifier and detector — AM/FM radio ICs |
| AN7168 Power Amplifier | AN7168 | 2×2W power amp, 6V, SIP-14 — compact radio amplifier |
| UM / UPC Series — NEC / Rohm ICs | ||
| UM3750 CMOS Encoder/Decoder | UM3750 | RF remote control encoder/decoder IC — used in gate remote controls |
| UM3761 Melody IC (multi-tone) | UM3761 | Multi-melody generator, 3V — doorbell and toy sound IC |
| UM66T Melody Generator IC | UM66T | Single-melody CMOS generator, TO-92 — plays "Für Elise", used in doorbells |
| UPC1003 / UPC1032 Audio IC | UPC1003 | NEC audio preamplifier IC — radio cassette signal processing |
| KA / HA Series — Samsung / Hitachi ICs | ||
| KA2263 Tone Control IC | KA2263 | Electronic tone/volume control IC — bass/treble control circuits |
| KA2284 Level Meter IC | KA2284 | 5-LED bar graph audio level meter driver — VU meter display circuit |
| HA1196 Stereo Decoder IC | HA1196 | Hitachi FM stereo multiplex decoder — FM tuner stereo circuit |
| 74LS / 74HC Logic Series | ||
| 74LS47 BCD-to-7-Segment Decoder | 74LS47 | BCD to 7-segment decoder/driver, common-anode — display driver IC |
| 74LS74 Dual D Flip-Flop | 74LS74 | Dual D-type positive-edge flip-flop with preset & clear |
| 74LS93 4-Bit Binary Counter | 74LS93 | 4-bit ripple-through binary counter — frequency divider, clock circuits |
| 74LS173 4-Bit D-Type Register | 74LS173 | 4-bit tristate D-register — data storage in digital logic projects |
| CD4017 CMOS Decade Counter | CD4017 | Johnson decade counter, 10 outputs — LED chaser, sequencer circuits |
| CD4013 Dual D Flip-Flop (CMOS) | CD4013 | Dual D-type flip-flop — divide-by-2, SR latch applications |
Capacitors
| Component | Part No. | Specification |
|---|---|---|
| Ceramic Capacitors — Full Range (2pF to 330nF) | ||
| Ceramic Capacitor 10pF | CER-10P | 10pF, 50V, disc ceramic — RF coupling, crystal load capacitor |
| Ceramic Capacitor 22pF | CER-22P | 22pF, 50V — crystal oscillator load; standard ±5% |
| Ceramic Capacitor 33pF | CER-33P | 33pF, 50V — filter and bypass applications |
| Ceramic Capacitor 100pF | CER-100P | 100pF, 50V — decoupling, signal filtering |
| Ceramic Capacitor 470pF | CER-470P | 470pF, 50V — radio frequency bypass |
| Ceramic Capacitor 0.001µF (1nF) | CER-1N | 1nF / 1000pF, 50V ceramic — timing and filter circuits |
| Ceramic Capacitor 0.01µF (10nF) | CER-10N | 10nF, 50V — bypass, audio coupling; very commonly used |
| Ceramic Capacitor 0.1µF (100nF) | CER-100N | 100nF, 50V — power supply decoupling; stocked 500+ |
| Ceramic Capacitor 0.22µF | CER-220N | 220nF, 50V — audio filter, motor run |
| Ceramic Capacitor 0.33µF | CER-330N | 330nF, 50V — timing network, audio bypass |
| Electrolytic Capacitors — Radial (1µF to 4700µF) | ||
| Electrolytic Capacitor 1µF/50V | ELEC-1U-50V | 1µF, 50V, radial — audio signal coupling at low frequencies |
| Electrolytic Capacitor 10µF/25V | ELEC-10U-25V | 10µF, 25V — bypass, audio coupling — very common value |
| Electrolytic Capacitor 47µF/25V | ELEC-47U-25V | 47µF, 25V — power supply filter, audio amp stage |
| Electrolytic Capacitor 100µF/25V | ELEC-100U-25V | 100µF, 25V — bulk decoupling, amp output; high turnover |
| Electrolytic Capacitor 220µF/25V | ELEC-220U-25V | 220µF, 25V — power stage filter |
| Electrolytic Capacitor 470µF/16V | ELEC-470U-16V | 470µF, 16V — audio amp power supply rail filter |
| Electrolytic Capacitor 1000µF/25V | ELEC-1000U-25V | 1000µF, 25V — power supply bulk storage; stocked 200+ |
| Electrolytic Capacitor 2200µF/16V | ELEC-2200U-16V | 2200µF, 16V — amp PSU reservoir cap |
| Electrolytic Capacitor 4700µF/16V | ELEC-4700U-16V | 4700µF, 16V — large reservoir for Class-AB amp power supply |
| Electrolytic Capacitor 1000µF/50V | ELEC-1000U-50V | 1000µF, 50V — 24–48V power supply filter |
| Panasonic NH Series Electrolytic (105°C) | PAN-NH-SERIES | 105°C rated, long-life — available in 100µF–1000µF/16V–50V; Panasonic quality |
| Polyester / Film Capacitors | ||
| Polyester Film 0.01µF/100V (MKT) | POLY-10N-100V | 10nF, 100V polyester — low-leakage audio and timing applications |
| Polyester Film 0.1µF/100V (MKT) | POLY-100N-100V | 100nF, 100V polyester — bypass, audio coupling, better than ceramic for audio |
| Polyester Film 0.47µF/250V | POLY-470N-250V | 470nF, 250V — mains filter, motor run, snubber |
| Polyester Film 1µF/250V (MKT) | POLY-1U-250V | 1µF, 250V — motor run, crossover network, anti-interference filter |
| Tantalum, Variable & Motor-Run Capacitors | ||
| Tantalum Capacitor 10µF / 16V | TANT-10U-16V | 10µF, 16V, radial, polarised — compact, low ESR; use in audio signal paths & decoupling |
| Variable / Trimmer Capacitor 2–22pF | TRIM-2-22PF | 2–22pF, ceramic, top-adjust — for RF circuit trimming & crystal load matching |
| Motor Run Capacitor 4µF / 450VAC | MRC-4U-450V | 4µF, 450VAC, cylindrical polypropylene — AC motor run & phase-shift applications |
| Motor Run Capacitor 2µF / 450VAC | MRC-2U-450V | 2µF, 450VAC, polypropylene — single-phase capacitor motor auxiliary winding |
| SMD MLCC Capacitors — Ceramic (0402 / 0603 / 0805) | ||
| SMD MLCC Assortment Kit (0402, 52 values) | MLCC-0402-KIT | 0402 package, 10pF–1µF, C0G & X5R/X7R mixed — 520-pc assortment for SMD rework |
| SMD MLCC Assortment Kit (0603, 36 values) | MLCC-0603-KIT | 0603 package, 10pF–10µF, mixed dielectric — 360-pc assortment |
| SMD MLCC Assortment Kit (0805, 24 values) | MLCC-0805-KIT | 0805 package, 10pF–10µF — easier to hand-solder; 240-pc assortment |
| SMD Ceramic 100nF / 50V (0603, X7R) Strip/100 | MLCC-100N-0603 | 100nF, 50V, 0603, X7R — the most-used decoupling value; strip of 100 |
| SMD Ceramic 10nF / 50V (0603, X7R) Strip/100 | MLCC-10N-0603 | 10nF, 50V, 0603, X7R — filter cap in high-frequency circuits; strip of 100 |
| SMD Ceramic 1µF / 16V (0603, X5R) Strip/100 | MLCC-1U-0603 | 1µF, 16V, 0603, X5R — bulk bypass and local decoupling; strip of 100 |
| SMD Ceramic 4.7µF / 10V (0805, X5R) Strip/100 | MLCC-4U7-0805 | 4.7µF, 10V, 0805, X5R — LDO output cap, bulk decoupling near ICs; strip of 100 |
| SMD Ceramic 22pF / 50V (0603, C0G) Strip/100 | MLCC-22P-0603 | 22pF, 50V, 0603, C0G/NP0 — crystal load cap, temperature-stable RF filter; strip of 100 |
| SMD Tantalum Capacitors | ||
| SMD Tantalum 10µF / 16V (Case A) | TANT-SMD-10U-16V | 10µF, 16V, Case A (EIA 3216-18), low ESR — audio decoupling & ADC bypass |
| SMD Tantalum 47µF / 10V (Case B) | TANT-SMD-47U-10V | 47µF, 10V, Case B (EIA 3528-21) — output filter for low-dropout regulators |
| SMD Tantalum 100µF / 10V (Case C) | TANT-SMD-100U-10V | 100µF, 10V, Case C (EIA 6032-28) — bulk SMD decoupling where space is limited |
Connectors & Audio Jacks
| Component | Part No. | Specification |
|---|---|---|
| RCA & Audio Phono Connectors | ||
| RCA Stereo Patch Cord (1m, Red/White) | RCA-PATCH-1M | Dual RCA male to male, 1m — stereo audio interconnect |
| RCA Male Plug (Screw Type) | RCA-PLUG-SCR | Solder/screw terminal RCA male — for DIY audio cable assembly |
| RCA Panel Socket (Gold-Plated) | RCA-SOCKET-GP | Gold-plated RCA female socket — chassis mount for amplifier/AV equipment panels |
| 3.5mm Male to Dual RCA Adapter | JACK35-TO-2RCA | 3.5mm stereo jack to 2× RCA male — phone/PC audio to stereo RCA input |
| Banana Plugs & Binding Posts | ||
| Banana Plug (4mm, Gold-Plated) | BANANA-4MM-GP | 4mm gold-plated banana plug — lab test leads, speaker cable, bench PSU |
| Binding Post (4mm, Panel, Red/Black) | BINDPOST-4MM-RB | 4mm panel-mount binding posts, pair — test equipment terminals, PSU output |
| Shrouded Banana Plug (Safety, 4mm) | BANANA-SAFE-4MM | Safety shrouded 4mm banana — IEC 61010 compliant test lead connector |
| DIN & XLR Connectors | ||
| DIN 5-Pin Plug (180°) | DIN5-PLUG | 5-pin 180° DIN male plug — MIDI cable, old keyboard/synthesizer connector |
| DIN 5-Pin Socket (PCB/Panel) | DIN5-SOCKET | 5-pin DIN female socket — MIDI in/out panel connector |
| XLR 3-Pin Male Plug | XLR3-M-PLUG | XLR 3-pin male — microphone cable, balanced audio connection |
| XLR 3-Pin Female Socket (Panel) | XLR3-F-PANEL | XLR 3-pin female, chassis mount — balanced audio input panel connector |
| Audio Patch Cords & Cables | ||
| 3.5mm Stereo Patch Cord (1m) | AUX-35-1M | 3.5mm TRS to TRS, 1m — aux cable for speaker/headphone connections |
| 3.5mm to 6.35mm Adapter | JACK-35-635-ADAPT | 3.5mm male to 6.35mm (1/4") female stereo adapter — portable device to amp |
| 6.35mm (1/4") Mono Jack Plug | JACK-635-MONO-M | 6.35mm mono instrument jack plug — guitar cable assembly |
| Headphone Extension Cable (3.5mm, 2m) | HP-EXT-35-2M | 3.5mm stereo male to female, 2m extension — headphone and speaker use |
| S-Video & AV Connectors | ||
| S-Video 4-Pin Connector (Female PCB) | SVIDEO-4P-PCB | Mini-DIN 4-pin S-VHS female, PCB mount — for old VCR/camcorder video circuits |
| S-Video 7-Pin Connector | SVIDEO-7P | Mini-DIN 7-pin S-Video — laptop/desktop video output connector |
| DC Barrel & High-Current Power Connectors | ||
| DC Barrel Jack Socket 5.5/2.1mm (PCB) | DCJ-5521-PCB | Panel / PCB mount socket, 5.5mm OD / 2.1mm ID, 2A — standard DC input jack |
| DC Barrel Jack Socket 5.5/2.5mm (PCB) | DCJ-5525-PCB | Panel / PCB mount socket, 5.5mm OD / 2.5mm ID, 2A |
| DC Barrel Jack Socket (Panel, Locking) | DCJ-PANEL-LOCK | 5.5/2.1mm panel mount with nut, screw-terminal — for equipment enclosure power input |
| XT30 Connector Pair (Male + Female) | XT30-SET | 30A rated, gold-plated, for battery/power connections in RC & robotics |
| XT60 Connector Pair (Male + Female) | XT60-SET | 60A rated, gold-plated — standard in LiPo-powered projects & drones |
| Anderson Powerpole 30A (Red/Black Pair) | POWERPOLE-30A | 30A, 12–10AWG, genderless — popular in amateur radio & solar systems |
| USB PCB Sockets | ||
| USB-A Female Socket (PCB, Through-Hole) | USB-A-F-PCB | USB 2.0 Type-A female, through-hole, right-angle PCB mount |
| Micro-USB Female Socket (PCB) | USB-MICRO-F-PCB | Micro-B female, 5-pin, SMD, PCB mount — for custom charging circuit boards |
| USB-C Female Socket (PCB) | USB-C-F-PCB | USB-C female, 16-pin, SMD, PCB mount |
| RF Connectors — SMA / BNC / N-Type | ||
| SMA Female Connector (PCB Edge Mount) | SMA-F-EDGE | SMA female, PCB edge mount, 50Ω — for Wi-Fi, LoRa antenna connection |
| SMA Male Plug (for RG174 Cable) | SMA-M-RG174 | SMA male crimp plug for RG174 coax — RF cable assembly |
| SMA Female to UFL / IPEX Adapter Cable | SMA-UFL-15CM | SMA female to U.FL / IPEX connector, 15cm — for ESP32/ESP8266 external antenna |
| RP-SMA Female (PCB) | RPSMA-F-PCB | Reverse-polarity SMA female — for Wi-Fi router / AP antenna connectors |
| BNC Female Panel Mount | BNC-F-PANEL | BNC female, panel mount, 50Ω — oscilloscope, video & RF signal panels |
| BNC Male Plug (for RG58) | BNC-M-RG58 | BNC male crimp for RG58 cable — oscilloscope probe cable assembly |
| RCA Phono Socket (Panel, Red) | RCA-F-RED | RCA female panel mount, red — audio / composite video output panel connector |
| RCA Phono Socket (Panel, Yellow) | RCA-F-YELLOW | RCA female panel mount, yellow — composite video signal |
| 3.5mm Stereo Jack Socket (Panel) | JACK-35-F-PANEL | 3.5mm TRS female, panel mount, solder lug — audio output panel connector |
| 3.5mm Mono Jack Socket (PCB) | JACK-35-MONO-PCB | 3.5mm TS mono jack, PCB through-hole, switched — headphone / trigger jack |
| N-Type Female Panel Connector | N-F-PANEL | N-type female panel mount — for high-power RF / outdoor antenna connections |
| Aviation & Circular Connectors | ||
| GX12 2-Pin Aviation Connector | GX12-2P | 12mm circular, 2-pin, 5A — panel mount power connector, screw-lock |
| GX12 4-Pin Aviation Connector | GX12-4P | 12mm circular, 4-pin, 5A — data + power in one connector |
| GX16 4-Pin Aviation Connector | GX16-4P | 16mm circular, 4-pin, 5A — larger panel connector for heavier wiring |
| GX16 7-Pin Aviation Connector | GX16-7P | 16mm circular, 7-pin, 3A/pin — multi-signal interconnect for instruments & panels |
| M12 4-Pin Sensor Connector (Male Plug) | M12-4P-PLUG | M12 A-coded, 4-pin, IP67, panel mount — industrial sensor & actuator wiring |
| Waterproof Connector 2-Pin (IP67) | WP-2P-IP67 | IP67 2-pin, 30A, male + female set — outdoor solar, automotive, LED strip power |
| Waterproof Connector 4-Pin (IP67) | WP-4P-IP67 | IP67 4-pin set — for outdoor sensor, motor, and lighting connections |
| D-Sub Connectors | ||
| DB9 Female (Solder Cup) | DB9-F-SOLDER | DE9 female, solder cup, panel mount — RS-232 serial port |
| DB9 Male (Solder Cup) | DB9-M-SOLDER | DE9 male, solder cup, panel mount — RS-232 cable plug |
| DB9 Female (PCB Mount) | DB9-F-PCB | DE9 female, right-angle PCB mount — RS-232 serial port directly on board |
| DB15 Female (VGA, PCB Mount) | DB15-F-PCB | DE15 / HDE15 female, PCB mount — for VGA video output or 15-pin game port |
| DB25 Female (Parallel Port) | DB25-F-SOLDER | DA25 female, solder cup — LPT / parallel port, CNC controller interface |
| D-Sub Backshell Cover (DB9, Metal) | DB9-SHELL | Zinc die-cast cable backshell for DB9 — strain relief & shielding |
| D-Sub Backshell Cover (DB25, Metal) | DB25-SHELL | Zinc die-cast cable backshell for DB25 |
| IEC Mains & Panel Connectors | ||
| IEC C14 Mains Inlet (Panel Mount) | IEC-C14-PANEL | IEC 60320 C14, 10A/250V, panel mount, solder lugs — standard equipment power inlet |
| IEC C14 with Fuse Holder & Switch | IEC-C14-SW-FUSE | 3-in-1 panel unit: C14 inlet + rocker switch + fuse holder — for equipment PSU panels |
| IEC C13 Power Cord (1.5m) | IEC-C13-CORD-1M5 | 3-core 1.5m cord, C13 female to Indian 3-pin plug — for test equipment, SMPS |
| IEC EMI Filter Module (C14 Inlet) | EMI-FILTER-C14 | Dual-stage mains EMI filter, C14 inlet, 10A — reduces conducted EMI in equipment |
| 3-Pin Indian Mains Plug (Bare) | IN-PLUG-3P | IS1293 3-pin rewireable plug, 6A, ISI mark — for cable assembly & project enclosures |
| 3-Pin Indian Panel Socket | IN-SOCKET-3P | IS 1293 3-pin recessed panel socket, 6A — for equipment output AC socket |
| DIN Rail Terminal Blocks | ||
| DIN Rail Terminal Block (2.5mm², Pack 10) | DINTERM-2R5-10 | DIN rail mount, 2.5mm² screw terminal, 24A — panel wiring, control cabinet |
| DIN Rail Terminal Block (6mm², Pack 5) | DINTERM-6MM-5 | DIN rail, 6mm², 41A — heavier supply connections |
| DIN Rail (35mm, 30cm) | DIN35-30CM | Standard 35mm top-hat DIN rail, 30cm cut — mounts terminal blocks, MCBs, relays |
| End Clamp for DIN Rail | DIN-END-CLAMP | Pair of end stop / clamp brackets for 35mm DIN rail terminal block rows |
LEDs & Switches
| Component | Part No. | Specification |
|---|---|---|
| 5mm Round LEDs — Standard Diffused | ||
| 5mm Red LED | LED-5R | 5mm diffused red, Vf 2.0V, 20mA — stocked 1000+; power indicator standard |
| 5mm Green LED | LED-5G | 5mm diffused green, Vf 2.1V, 20mA — status indicator, wide-angle |
| 5mm Yellow LED | LED-5Y | 5mm diffused yellow, Vf 2.0V, 20mA — warning indicator |
| 5mm Blue LED | LED-5B | 5mm diffused blue, Vf 3.2V, 20mA — modern equipment indicator |
| 5mm White LED | LED-5W | 5mm white, 6500K, 20mA — illumination, backlight indicator |
| 5mm Green High-Brightness LED (Parrot) | LED-5G-HB | 5mm water-clear parrot green, Vf 2.1V — for robot eyes and project indicators |
| 3mm Round LEDs | ||
| 3mm Red LED | LED-3R | 3mm diffused red — panel indicator where 5mm is too large; stocked 500+ |
| 3mm Green LED | LED-3G | 3mm diffused green, 20mA |
| 3mm Yellow LED | LED-3Y | 3mm diffused yellow — compact status indicators |
| Flat / Candy LEDs | ||
| Candy Red LED (Flat Top) | LED-CANDY-R | 5mm flat-top red LED — wide viewing angle, decorative and indicator use |
| Candy Blue LED (Flat Top) | LED-CANDY-B | 5mm flat-top blue — case modding, decorative lighting |
| Candy Green LED (Flat Top) | LED-CANDY-G | 5mm flat-top green |
| Dome White LED (High-Bright) | LED-DOME-W-HB | High-brightness dome white, ultra-clear lens — torch/flashlight replacement |
| Neon Bulbs | ||
| Neon Bulb 3mm (220V) | NEON-3MM-220V | 3mm neon indicator lamp, 220V AC, orange glow — mains power indicator, no driver IC needed |
| Neon Bulb 5mm (Flat Top, Import) | NEON-5MM-IMP | Flat-top neon bulb — panel indicator for mains equipment; imported |
| Tact Switches (PCB Mount) | ||
| Tact Switch 6×6×5mm (2-pin) | TACT-6X6X5-2P | 6×6×5mm tactile push button, 2-pin, 50mA — PCB reset button |
| Tact Switch 6×6×5mm (4-pin) | TACT-6X6X5-4P | 6×6×5mm, 4-pin through-hole, 50mA — breadboard & PCB use; stocked 200+ |
| Tact Switch 6×6×7.5mm (4-pin) | TACT-6X6X75-4P | 6×6×7.5mm — taller cap, easier to press for panel applications |
| Tact Switch 6×6×14mm | TACT-6X6X14 | 6×6×14mm long-arm tactile — stands above PCB for easy finger access |
| Tact Switch 12×12×7mm | TACT-12X12X7 | 12×12mm large tactile, 7mm height — front-panel buttons on project enclosures |
| Tact Switch 12×12×7.5mm | TACT-12X12X75 | 12×12×7.5mm — slightly taller, same footprint as 12×12×7 |
| Tact Switch 12×12×9mm | TACT-12X12X9 | 12×12×9mm — for recessed panel mount where button sits flush to surface |
| SMD LEDs (0402 / 0603 / 0805) | ||
| SMD LED Red (0603) Strip/100 | LED-SMD-R-0603 | Red, Vf 2.0V, 20mA, 0603 — PCB status indicator; strip of 100 |
| SMD LED Green (0603) Strip/100 | LED-SMD-G-0603 | Green, Vf 2.1V, 20mA, 0603 — strip of 100 |
| SMD LED Yellow (0603) Strip/100 | LED-SMD-Y-0603 | Yellow, Vf 2.0V, 20mA, 0603 — warning indicator; strip of 100 |
| SMD LED Blue (0603) Strip/100 | LED-SMD-B-0603 | Blue, Vf 3.2V, 20mA, 0603 — modern-look status indicator; strip of 100 |
| SMD LED White (0603) Strip/100 | LED-SMD-W-0603 | White, 6500K, Vf 3.0V, 20mA, 0603 — backlight or illumination indicator; strip of 100 |
| SMD LED Red (0805) Strip/100 | LED-SMD-R-0805 | Red, Vf 2.0V, 20mA, 0805 — larger body, easier to hand-solder; strip of 100 |
| SMD LED Green (0805) Strip/100 | LED-SMD-G-0805 | Green, Vf 2.1V, 20mA, 0805 — strip of 100 |
| SMD LED White (0805) Strip/100 | LED-SMD-W-0805 | White, 6500K, Vf 3.0V, 20mA, 0805 — brighter option for backlit panels; strip of 100 |
| SMD LED Red (0402) Strip/100 | LED-SMD-R-0402 | Red, 0402 — minimal footprint for high-density PCB indicator LEDs; strip of 100 |
| SMD LED Green (0402) Strip/100 | LED-SMD-G-0402 | Green, 0402 — strip of 100 |