BC547 NPN Transistor Pack of 5 | General Purpose Low Power Amplifier & Switching Transistor for Electronics Projects

Technical Specifications

• Transistor Type: NPN Bipolar Junction Transistor (BJT)
• Model: BC547
• Package Type: TO-92
• Collector-Emitter Voltage (Vce): 45V
• Collector-Base Voltage (Vcb): 50V
• Emitter-Base Voltage (Veb): 6V
• Collector Current (Ic): 100mA
• Power Dissipation: 500mW
• DC Current Gain (hFE): 110 – 800 (varies by grade)
• Operating Temperature: -55°C to +150°C
• Mounting Type: Through-Hole

Product Description

The BC547 NPN Transistor is a widely used general-purpose low-power transistor ideal for amplification and switching applications in electronic circuits. With a maximum collector current of 100mA and collector-emitter voltage of 45V, it is perfect for signal amplification, sensor interfacing, relay driving, and logic switching.

Housed in a TO-92 through-hole package, the BC547 transistor is easy to use on breadboards and PCBs, making it popular among students, hobbyists, and professionals. Its high current gain (hFE) and reliable performance make it suitable for audio amplifiers, timers, oscillators, and DIY electronics projects.

Commonly used in Arduino and microcontroller-based circuits, the BC547 is an essential component for learning electronics and building practical projects.