Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
MJ802G

MJ802G Product Overview

Introduction

The MJ802G is a versatile electronic component that belongs to the category of power transistors. This entry provides an in-depth overview of the MJ802G, 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: Amplification and switching of electronic signals
  • Characteristics: High power handling capability, low collector-emitter saturation voltage, and high current gain
  • Package: TO-3 metal can package
  • Essence: Silicon NPN power transistor
  • Packaging/Quantity: Typically sold individually or in small quantities

Specifications

  • Maximum Collector-Emitter Voltage (Vce): 100V
  • Maximum Collector Current (Ic): 10A
  • Power Dissipation (Pd): 150W
  • Transition Frequency (ft): 2MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The MJ802G power transistor typically has three pins: 1. Base (B): Input terminal for controlling the transistor's operation 2. Collector (C): Output terminal for the amplified signal 3. Emitter (E): Ground reference terminal

Functional Features

  • High power amplification capability
  • Low saturation voltage for efficient switching
  • Robust construction for reliable performance in demanding applications

Advantages and Disadvantages

Advantages

  • High power handling capacity
  • Low collector-emitter saturation voltage
  • High current gain for efficient signal amplification

Disadvantages

  • Relatively large package size
  • Limited operating temperature range compared to some alternative models

Working Principles

The MJ802G operates based on the principles of bipolar junction transistors. When a small current flows into the base terminal, it controls a much larger current between the collector and emitter terminals, allowing for signal amplification or switching.

Detailed Application Field Plans

The MJ802G finds extensive use in various electronic applications, including: - Audio amplifiers - Power supplies - Motor control circuits - RF amplifiers

Detailed and Complete Alternative Models

Some alternative models to the MJ802G include: - TIP31C - 2N3055 - MJE13009 - BD139

In conclusion, the MJ802G power transistor offers high power handling capabilities, making it suitable for a wide range of electronic applications. Its robust construction and efficient amplification characteristics make it a popular choice among electronic enthusiasts and professionals alike.

Word Count: 345

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng MJ802G trong giải pháp kỹ thuật

  1. What is the MJ802G transistor used for?

    • The MJ802G is a high-power NPN silicon transistor commonly used in audio amplifiers, power supplies, and other high-voltage applications.
  2. What are the key specifications of the MJ802G transistor?

    • The MJ802G has a maximum collector-emitter voltage of 140V, a continuous collector current of 15A, and a power dissipation of 150W.
  3. How do I properly mount the MJ802G transistor?

    • The MJ802G should be mounted on a suitable heat sink to ensure proper heat dissipation and prevent overheating.
  4. Can the MJ802G be used in switching applications?

    • Yes, the MJ802G can be used in switching applications due to its high voltage and current capabilities.
  5. What are the typical operating conditions for the MJ802G?

    • The MJ802G operates within a temperature range of -65°C to 200°C and requires a base current of 3A for proper saturation.
  6. Are there any common failure modes for the MJ802G?

    • Common failure modes include thermal runaway due to inadequate heat sinking and overvoltage stress leading to breakdown.
  7. Can the MJ802G be used in automotive applications?

    • Yes, the MJ802G is suitable for automotive applications such as electronic ignition systems and motor control.
  8. What are the recommended complementary transistors to use with the MJ802G?

    • Complementary transistors such as the MJ4502G or MJ15024G can be used with the MJ802G to form high-power amplifier stages.
  9. How do I test the MJ802G transistor for proper operation?

    • The MJ802G can be tested using a multimeter to check for proper junction voltages and current gain.
  10. Where can I find detailed application notes for using the MJ802G in technical solutions?

    • Detailed application notes for the MJ802G can be found in the manufacturer's datasheet and application guides, as well as in technical forums and electronics publications.