The BC547 NPN Transistor is a widely used general-purpose bipolar junction transistor (BJT) suitable for switching, amplification, signal processing, oscillator circuits, sensor interfacing, and Arduino-based electronics projects. Its compact TO-92 package, low power consumption, and reliable performance make it one of the most popular transistors for students, hobbyists, and professional circuit designers. The BC547 is ideal for low-current switching applications, audio preamplifiers, relay drivers, LED drivers, and various DIY electronic circuits.
Key Features:
-
General-purpose NPN Bipolar Junction Transistor (BJT)
-
Suitable for switching and low-power amplification
-
Compact TO-92 through-hole package
-
Maximum collector current up to 100mA
-
Maximum collector-emitter voltage of 45V
-
Low power consumption and reliable performance
-
Compatible with breadboards and PCBs
-
Ideal for Arduino, Raspberry Pi, and microcontroller interfacing
-
Perfect for educational, DIY, robotics, and embedded projects