Transistor BC547

Category: General

₦200.00

The BC547 is a widely used NPN bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. It is reliable, affordable, and ideal for both educational and professional electronics projects.

Key Features

General-purpose NPN transistor

Suitable for signal amplification and switching

Low noise performance

High current gain (hFE)

Compact TO-92 package

Easy to interface with microcontrollers

Widely available and cost-effective

Detailed Description

The BC547 transistor is commonly used in audio amplifiers, signal processing circuits, sensor interfaces, and microcontroller-based projects. It functions by allowing a small current at the base to control a larger current flowing between the collector and emitter.

Thanks to its stable performance and ease of use, the BC547 is popular among students, hobbyists, and engineers. It is suitable for low-power applications where reliable switching or amplification is required.

Technical Specifications

Transistor Type: NPN BJT

Package Type: TO-92

Collector-Emitter Voltage (Vce): 45V

Collector-Base Voltage (Vcb): 50V

Emitter-Base Voltage (Veb): 6V

Collector Current (Ic max): 100mA

Power Dissipation: 500mW

DC Current Gain (hFE): 110 – 800

Operating Temperature: -55°C to +150°C

What’s in the Box

1 × BC547 NPN Transistor

Ideal For

Signal amplification circuits

LED and relay switching

Microcontroller interfacing

Audio pre-amplifiers

Educational electronics projects

DIY and prototyping applications

Important Note

Ensure proper base current limiting using a resistor to avoid damaging the transistor. For higher current applications, consider using a power transistor or a relay module.