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MJE702G
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MJE702G: Product Overview and Detailed Information

Introduction

The MJE702G is a semiconductor device belonging to the category of power transistors. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the MJE702G.

Basic Information Overview

  • Category: Power Transistor
  • Use: Amplification and Switching Applications
  • Characteristics: High voltage capability, high current capability, low saturation voltage
  • Package: TO-220
  • Essence: Power amplification and switching
  • Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

  • Collector-Emitter Voltage (VCEO): 400V
  • Collector-Base Voltage (VCBO): 400V
  • Emitter-Base Voltage (VEBO): 9V
  • Collector Current (IC): 4A
  • Power Dissipation (PD): 40W
  • Transition Frequency (FT): 2MHz
  • Operating Temperature Range: -65°C to 150°C

Detailed Pin Configuration

The MJE702G typically has three pins: 1. Collector (C): Connected to the positive supply voltage in most applications. 2. Base (B): Controls the transistor's turn-on and turn-off states. 3. Emitter (E): Connected to the ground or common reference point.

Functional Features

  • High voltage capability allows for use in high-power applications.
  • High current capability enables handling of large currents.
  • Low saturation voltage minimizes power loss during operation.

Advantages and Disadvantages

Advantages

  • Suitable for high-power amplification and switching applications.
  • Robust construction ensures reliability in demanding environments.
  • Low saturation voltage reduces power dissipation.

Disadvantages

  • May require heat sinking in high-power applications to manage thermal dissipation.
  • Relatively larger package size compared to smaller-signal transistors.

Working Principles

The MJE702G operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The MJE702G finds extensive use in various applications, including: - Audio amplifiers - Power supplies - Motor control circuits - Lighting systems - Switching regulators

Detailed and Complete Alternative Models

Some alternative models to the MJE702G include: - MJE13007 - TIP31C - 2N3055 - MJL21193

In conclusion, the MJE702G power transistor offers high voltage and current capabilities, making it suitable for power amplification and switching applications across various industries.

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10個與MJE702G在技術方案中應用相關的常見問題與解答

  1. What is MJE702G?

    • MJE702G is a high-voltage, high-speed NPN transistor commonly used in power supply and switching applications.

  2. What are the key specifications of MJE702G?

    • The MJE702G transistor has a maximum collector-emitter voltage of 400V, a continuous collector current of 4A, and a power dissipation of 50W.

  3. In what technical solutions can MJE702G be used?

    • MJE702G can be used in various technical solutions such as power supplies, inverters, motor control, and general switching applications.

  4. What are the typical operating conditions for MJE702G?

    • The typical operating conditions for MJE702G include a collector current of 4A, a base current of 1A, and a collector-emitter voltage of 400V.

  5. How does MJE702G compare to other transistors in its class?

    • MJE702G offers high voltage and current capabilities, making it suitable for applications requiring robust performance in harsh environments.

  6. What are the thermal considerations when using MJE702G in technical solutions?

    • Proper heat sinking and thermal management are essential when using MJE702G to ensure that it operates within its specified temperature range and maximizes reliability.

  7. Can MJE702G be used in audio amplifier circuits?

    • While MJE702G is primarily designed for power supply and switching applications, it can also be utilized in audio amplifier circuits where high voltage and current handling are required.

  8. Are there any recommended driver circuits for MJE702G?

    • Using a suitable driver circuit with proper biasing and protection features can enhance the performance and longevity of MJE702G in technical solutions.

  9. What are the common failure modes of MJE702G in technical applications?

    • Common failure modes include thermal overstress, overvoltage spikes, and inadequate heat dissipation, which can lead to degradation or permanent damage to the transistor.

  10. Where can I find detailed application notes for using MJE702G in technical solutions?

    • Detailed application notes and reference designs for MJE702G can be found in the manufacturer's datasheets, application guides, and technical support resources.