Vishay Semiconductor Diodes Division
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MUR440-E3/73
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MUR440-E3/73

Product Overview

Category

The MUR440-E3/73 belongs to the category of ultrafast rectifiers.

Use

It is used for converting alternating current (AC) to direct current (DC) in various electronic circuits and power supply applications.

Characteristics

  • Ultrafast switching speed
  • Low forward voltage drop
  • High surge capability

Package

The MUR440-E3/73 is available in a DO-201AD package.

Essence

This rectifier is essential for efficient energy conversion and power management in electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, with varying quantities based on customer requirements.

Specifications

  • Maximum Average Forward Current: 4A
  • Reverse Voltage: 400V
  • Forward Voltage Drop: 0.95V at 4A
  • Reverse Recovery Time: 35ns

Detailed Pin Configuration

The MUR440-E3/73 has a standard two-pin configuration, with the anode and cathode terminals clearly marked.

Functional Features

  • Ultrafast recovery time
  • Low leakage current
  • High reliability and ruggedness

Advantages

  • Efficient energy conversion
  • Suitable for high-frequency applications
  • Reliable performance under varying operating conditions

Disadvantages

  • Sensitive to voltage spikes
  • Higher cost compared to standard rectifiers

Working Principles

The MUR440-E3/73 operates on the principle of rectification, where it allows current to flow in only one direction, enabling the conversion of AC to DC.

Detailed Application Field Plans

Power Supplies

The rectifier is commonly used in power supply units for consumer electronics, industrial equipment, and automotive systems.

Inverters

It finds application in inverters for solar power systems, uninterruptible power supplies (UPS), and motor drives.

Lighting

The rectifier is utilized in LED drivers and lighting control circuits for efficient energy conversion.

Detailed and Complete Alternative Models

  • MUR410-E3/73
  • MUR420-E3/73
  • MUR430-E3/73
  • MUR460-E3/73

In summary, the MUR440-E3/73 ultrafast rectifier offers efficient energy conversion, high reliability, and suitability for various electronic applications, making it a valuable component in modern electronic designs.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MUR440-E3/73 en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of MUR440-E3/73 in technical solutions:

  1. What is the maximum repetitive peak reverse voltage (Vrrm) of MUR440-E3/73?

    • The maximum repetitive peak reverse voltage (Vrrm) of MUR440-E3/73 is 40V.

  2. What is the average forward current (Ifav) rating of MUR440-E3/73?

    • The average forward current (Ifav) rating of MUR440-E3/73 is 4A.

  3. What is the typical forward voltage drop (Vf) of MUR440-E3/73 at a specified current?

    • The typical forward voltage drop (Vf) of MUR440-E3/73 at 4A is around 0.65V.

  4. Can MUR440-E3/73 be used in flyback diode applications for inductive loads?

    • Yes, MUR440-E3/73 can be used as a flyback diode in applications involving inductive loads such as relays, solenoids, and motors.

  5. Is MUR440-E3/73 suitable for use in switch-mode power supplies?

    • Yes, MUR440-E3/73 is suitable for use in switch-mode power supplies due to its fast recovery time and low forward voltage drop.

  6. What is the maximum junction temperature (Tj) for MUR440-E3/73?

    • The maximum junction temperature (Tj) for MUR440-E3/73 is 150°C.

  7. Does MUR440-E3/73 have a high surge capability?

    • Yes, MUR440-E3/73 has a high surge capability, making it suitable for applications with transient overvoltage conditions.

  8. Can MUR440-E3/73 be used in battery charging circuits?

    • Yes, MUR440-E3/73 can be used in battery charging circuits to provide reverse polarity protection and prevent damage to the charging circuitry.

  9. What is the typical reverse recovery time (trr) of MUR440-E3/73?

    • The typical reverse recovery time (trr) of MUR440-E3/73 is around 35ns.

  10. Are there any specific layout considerations for using MUR440-E3/73 in PCB designs?

    • It is recommended to minimize the length of the traces connecting MUR440-E3/73 to reduce parasitic inductance and ensure proper thermal management.

I hope these questions and answers are helpful for your technical solutions involving MUR440-E3/73! If you have any more questions, feel free to ask.