TIP142 Transistor: Encyclopedia Entry

Introduction

The TIP142 is a high-power NPN transistor that belongs to the category of power transistors. It is commonly used in electronic circuits where high voltage and current amplification are required. This entry provides an overview of the TIP142 transistor, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Power Transistor
• Use: High-voltage and high-current amplification in electronic circuits
• Characteristics: High power dissipation, high gain, and low saturation voltage
• Package: TO-218
• Essence: Silicon NPN Darlington Transistor
• Packaging/Quantity: Typically available in packs of 10 or 25 units

Specifications

• Collector-Emitter Voltage (VCEO): 100V
• Collector-Base Voltage (VCBO): 100V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 10A
• Power Dissipation (PD): 125W
• Gain (hFE): 1000 (min)

Detailed Pin Configuration

The TIP142 transistor has a standard TO-218 package with three pins: 1. Base (B): Input terminal for controlling the flow of current 2. Collector (C): Output terminal for the amplified current 3. Emitter (E): Ground terminal for the transistor

Functional Features

• High power dissipation capability
• High current gain
• Low saturation voltage
• Built-in protection diodes for inductive loads

Advantages and Disadvantages

Advantages

• Suitable for high-power applications
• Low saturation voltage reduces power loss
• Built-in protection diodes enhance reliability in inductive load applications

Disadvantages

• Relatively large package size
• Higher cost compared to smaller transistors with similar characteristics

Working Principles

The TIP142 operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a much larger current flowing between the collector and emitter terminals. This allows the transistor to amplify signals and control high-power loads in electronic circuits.

Detailed Application Field Plans

The TIP142 transistor finds extensive use in various high-power electronic applications, including: - Audio amplifiers - Power supply circuits - Motor control systems - High-power LED drivers - Switching regulators

Detailed and Complete Alternative Models

Some alternative models to the TIP142 transistor include: - TIP147 - MJ11015 - MJL21193 - 2N6059

In conclusion, the TIP142 transistor is a versatile component that is widely used in high-power electronic circuits due to its high voltage and current amplification capabilities, making it an essential part of many electronic designs.

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