Build reliable switching and amplification circuits with the BC557 PNP General Purpose Transistor. The BC557 is a widely used PNP bipolar junction transistor (BJT), designed for low-power switching, signal amplification, relay driving, LED control, audio circuits, and embedded electronics. With a 45V collector-emitter voltage (VCEO) and 100mA maximum collector current, it delivers stable performance in a compact TO-92 through-hole package.
Ideal for Arduino, ESP32, STM32, Raspberry Pi, AVR, PIC, and other microcontroller-based applications, the BC557 is perfect for PCB assembly, breadboard prototyping, electronics repair, and educational projects.
Key Features
- ✔ PNP Bipolar Junction Transistor (BJT)
- ✔ Collector-Emitter Voltage (VCEO): 45V
- ✔ Maximum Collector Current (IC): 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, controlling loads, switching LEDs, or building embedded hardware, the BC557 PNP Transistor offers dependable performance for a wide range of electronics applications.
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