Vishay Semiconductor Diodes Division
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MURS340HE3/9AT
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MURS340HE3/9AT

Introduction

The MURS340HE3/9AT is a high-efficiency, ultrafast diode belonging to the category of power rectifiers. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the MURS340HE3/9AT.

Basic Information Overview

  • Category: Power Rectifiers
  • Use: The MURS340HE3/9AT is used in power supply applications, freewheeling diodes, and reverse battery protection.
  • Characteristics: High efficiency, ultrafast recovery time, low forward voltage drop, and high surge current capability.
  • Package: TO-220AC package type.
  • Essence: The diode is designed for high-frequency switching power supplies and other power switching applications.
  • Packaging/Quantity: Available in tape and reel packaging with 800 units per reel.

Specifications

  • Voltage Rating: 400V
  • Forward Current: 3A
  • Reverse Recovery Time: 35ns
  • Forward Voltage Drop: 0.95V at 3A
  • Surge Current Capability: 50A

Detailed Pin Configuration

The MURS340HE3/9AT has a standard TO-220AC package with three pins: Anode, Cathode, and Gate.

Functional Features

  • Ultrafast recovery time for high-efficiency operation.
  • Low forward voltage drop for reduced power dissipation.
  • High surge current capability for reliable performance in demanding applications.

Advantages and Disadvantages

Advantages

  • High efficiency
  • Fast recovery time
  • Low forward voltage drop
  • High surge current capability

Disadvantages

  • Relatively higher cost compared to standard diodes
  • Sensitive to reverse voltage spikes

Working Principles

The MURS340HE3/9AT operates based on the principles of rectification and fast recovery. When forward-biased, it allows current to flow with minimal voltage drop, while its ultrafast recovery time ensures efficient switching in power supply applications.

Detailed Application Field Plans

The MURS340HE3/9AT is suitable for various applications including: - Power supply units - Inverters - Motor drives - Battery chargers - Solar inverters

Detailed and Complete Alternative Models

  • MURS320HE3/9AT: 200V, 3A, 35ns recovery time
  • MURS360HE3/9AT: 600V, 3A, 35ns recovery time
  • MURS380HE3/9AT: 800V, 3A, 35ns recovery time

In conclusion, the MURS340HE3/9AT is a high-efficiency, ultrafast diode designed for power rectification applications. Its characteristics, specifications, functional features, and application field plans make it a versatile component in power electronics. Additionally, understanding its advantages, disadvantages, and alternative models provides comprehensive insights into its usage and potential alternatives in different scenarios.

技術ソリューションにおける MURS340HE3/9AT の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the MURS340HE3/9AT diode used for?

    • The MURS340HE3/9AT diode is commonly used as a high-efficiency, ultrafast rectifier in various technical solutions.

  2. What are the key features of the MURS340HE3/9AT diode?

    • The MURS340HE3/9AT diode features low forward voltage drop, fast switching, and high current capability, making it suitable for high-frequency applications.

  3. In what technical solutions can the MURS340HE3/9AT diode be applied?

    • The MURS340HE3/9AT diode can be applied in power supplies, inverters, motor drives, and other electronic systems requiring efficient rectification and fast switching.

  4. What is the maximum voltage rating of the MURS340HE3/9AT diode?

    • The MURS340HE3/9AT diode has a maximum repetitive reverse voltage (VRRM) of 400 volts, making it suitable for medium-voltage applications.

  5. Does the MURS340HE3/9AT diode have a high temperature tolerance?

    • Yes, the MURS340HE3/9AT diode is designed to operate at high temperatures, with a maximum junction temperature of 175°C, allowing for reliable performance in demanding environments.

  6. Can the MURS340HE3/9AT diode handle high current levels?

    • Yes, the MURS340HE3/9AT diode has a maximum average forward current of 3A, making it capable of handling moderate to high current levels in technical solutions.

  7. Is the MURS340HE3/9AT diode suitable for fast-switching applications?

    • Absolutely, the MURS340HE3/9AT diode's ultrafast recovery time and soft reverse recovery make it well-suited for fast-switching applications such as power supplies and inverters.

  8. What are the typical applications where the MURS340HE3/9AT diode excels?

    • The MURS340HE3/9AT diode is commonly used in flyback converters, freewheeling diodes, and snubber circuits due to its high efficiency and fast recovery characteristics.

  9. Does the MURS340HE3/9AT diode require any special heat management considerations?

    • While the MURS340HE3/9AT diode has a low thermal resistance, proper heat sinking or thermal management may be necessary in high-power applications to ensure optimal performance and reliability.

  10. Are there any specific layout or mounting guidelines for integrating the MURS340HE3/9AT diode into technical solutions?

    • It is recommended to follow standard PCB layout practices and consider the thermal requirements when designing the layout for the MURS340HE3/9AT diode to maximize its performance and longevity.