Build reliable switching and amplification circuits with the BC547 NPN General Purpose Transistor. The BC547 is one of the most popular NPN bipolar junction transistors (BJT), widely used for signal amplification, low-power switching, LED drivers, relay control, sensor interfaces, and embedded electronics. With a 45V collector-emitter voltage, 100mA collector current, and TO-92 through-hole package, it is ideal for educational, hobbyist, and professional electronics projects.
Compatible with Arduino, ESP32, STM32, Raspberry Pi, AVR, PIC, and other microcontroller platforms, the BC547 is an essential semiconductor component for PCB assembly, breadboard prototyping, and electronic repairs.
Key Features
- ✔ NPN Bipolar Junction Transistor (BJT)
- ✔ Collector-Emitter Voltage (VCEO): 45V
- ✔ Maximum Collector Current: 100mA
- ✔ Low Noise General Purpose Transistor
- ✔ TO-92 Through-Hole Package
- ✔ Ideal for Signal Amplification & Electronic Switching
- ✔ Compatible with Arduino, ESP32, STM32 & DIY Electronics
Whether you're designing amplifier circuits, driving relays, switching LEDs, or building embedded hardware, the BC547 NPN Transistor delivers reliable performance for a wide range of electronics applications.
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