BC547CG Transistor

Product Overview

The BC547CG transistor belongs to the category of small signal NPN bipolar junction transistors. It is commonly used for amplification and switching purposes in electronic circuits. The transistor exhibits characteristics such as low noise, high current gain, and low power consumption. It is typically packaged in a TO-92 package and is available in various quantities.

Specifications

• Maximum Collector-Emitter Voltage: 45V
• Maximum Collector Current: 100mA
• DC Current Gain (hFE): 110 - 800
• Power Dissipation: 500mW
• Transition Frequency: 150MHz

Detailed Pin Configuration

The BC547CG transistor has three pins: 1. Emitter (E): This pin is connected to the N-type material and is the source of electrons. 2. Base (B): The base pin controls the flow of current between the collector and emitter. 3. Collector (C): This pin collects the majority charge carriers that are emitted from the base.

Functional Features

The BC547CG transistor offers high current gain, making it suitable for use in amplification circuits. Its low noise characteristic makes it ideal for applications where signal fidelity is crucial. Additionally, its compact TO-92 package allows for easy integration into circuit designs.

Advantages and Disadvantages

Advantages

• High current gain
• Low noise
• Low power consumption
• Compact package

Disadvantages

• Limited maximum collector current
• Relatively low maximum collector-emitter voltage

Working Principles

When a small current flows into the base of the BC547CG transistor, it controls a much larger current flowing between the collector and emitter. This property allows the transistor to amplify weak signals or act as a switch in electronic circuits.

Detailed Application Field Plans

The BC547CG transistor finds extensive use in the following applications: 1. Audio Amplification: Due to its low noise and high gain, it is commonly used in audio amplifier circuits. 2. Switching Circuits: Its ability to control larger currents makes it suitable for use in switching applications. 3. Signal Processing: The transistor is utilized in various signal processing circuits due to its amplification capabilities.

Detailed and Complete Alternative Models

Some alternative models to the BC547CG transistor include: - 2N3904 - 2N2222 - BC548

In conclusion, the BC547CG transistor is a versatile component with applications in amplification and switching circuits. Its high current gain and low noise characteristics make it a popular choice among electronics enthusiasts and professionals alike.