Taiwan Semiconductor Corporation
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MUR440SHM6G
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MUR440SHM6G

Product Overview

Category

The MUR440SHM6G belongs to the category of Schottky Barrier Rectifiers.

Use

It is commonly used in power supply applications, voltage clamping, and reverse polarity protection.

Characteristics

  • High efficiency due to low forward voltage drop
  • Fast switching speed
  • Low leakage current
  • High temperature operation capability

Package

The MUR440SHM6G comes in a surface mount package.

Essence

This rectifier is essential for converting alternating current (AC) to direct current (DC) with minimal power loss.

Packaging/Quantity

It is typically packaged in reels and available in quantities suitable for production runs.

Specifications

  • Maximum Average Forward Current: 4A
  • Peak Repetitive Reverse Voltage: 40V
  • Forward Voltage Drop: 0.55V at 1A
  • Reverse Leakage Current: 0.5mA at 40V

Detailed Pin Configuration

The MUR440SHM6G has a standard SOD-123 package with two pins. Pin 1 is the anode and pin 2 is the cathode.

Functional Features

  • Low forward voltage drop ensures high efficiency
  • Fast switching speed allows for rapid response in circuits
  • Low leakage current minimizes power loss
  • High temperature operation capability enables use in demanding environments

Advantages and Disadvantages

Advantages

  • High efficiency
  • Fast switching speed
  • Low leakage current
  • Suitable for high-temperature environments

Disadvantages

  • Limited peak repetitive reverse voltage compared to some alternatives
  • May not be suitable for extremely high-power applications

Working Principles

The MUR440SHM6G operates based on the Schottky barrier principle, where a metal-semiconductor junction is formed, resulting in low forward voltage drop and fast switching characteristics.

Detailed Application Field Plans

Power Supply Applications

The rectifier can be used in various power supply designs, including switch-mode power supplies and AC-DC converters.

Voltage Clamping

In circuits where it is necessary to limit the voltage across a load, the MUR440SHM6G can be employed for effective voltage clamping.

Reverse Polarity Protection

By placing the rectifier in series with the circuit, it can protect against damage caused by reverse polarity connections.

Detailed and Complete Alternative Models

  • MUR4100E
  • MUR460
  • MBRB1545CT
  • SS34

In conclusion, the MUR440SHM6G is a versatile Schottky Barrier Rectifier with high efficiency and fast switching characteristics, making it suitable for various power supply and voltage clamping applications. While it has limitations in peak repetitive reverse voltage, there are alternative models available to suit specific requirements.

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技術ソリューションにおける MUR440SHM6G 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 maximum repetitive peak reverse voltage of MUR440SHM6G?

    • The maximum repetitive peak reverse voltage of MUR440SHM6G is 400 volts.

  2. What is the average forward current rating of MUR440SHM6G?

    • The average forward current rating of MUR440SHM6G is 4 amperes.

  3. What is the forward voltage drop of MUR440SHM6G at a specified current?

    • The forward voltage drop of MUR440SHM6G is typically around 0.75 volts at 4 amperes.

  4. Can MUR440SHM6G be used in high-frequency applications?

    • Yes, MUR440SHM6G is suitable for high-frequency applications due to its fast switching characteristics.

  5. Is MUR440SHM6G suitable for use in power supply circuits?

    • Yes, MUR440SHM6G is commonly used in power supply circuits and rectification applications.

  6. What is the reverse recovery time of MUR440SHM6G?

    • The reverse recovery time of MUR440SHM6G is typically around 35 nanoseconds.

  7. Does MUR440SHM6G have a low leakage current?

    • Yes, MUR440SHM6G exhibits low leakage current, making it suitable for energy-efficient designs.

  8. Can MUR440SHM6G handle high temperature environments?

    • Yes, MUR440SHM6G is designed to operate reliably in high-temperature environments, with a maximum junction temperature of 175°C.

  9. What package type is MUR440SHM6G available in?

    • MUR440SHM6G is available in the SMA (DO-214AC) package, which is suitable for surface mount applications.

  10. Are there any recommended application notes or reference designs for using MUR440SHM6G?

    • Yes, the manufacturer provides application notes and reference designs for utilizing MUR440SHM6G in various technical solutions.