Vishay Semiconductor Diodes Division
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UF4003-M3/73
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UF4003-M3/73

Product Overview

Category

The UF4003-M3/73 belongs to the category of ultrafast rectifiers.

Use

It is commonly used in electronic circuits for rectification purposes, converting alternating current (AC) to direct current (DC).

Characteristics

  • Ultrafast switching speed
  • High efficiency
  • Low forward voltage drop

Package

The UF4003-M3/73 is typically available in a DO-214AB (SMC) package.

Essence

This product is essential for power supply and voltage regulation applications.

Packaging/Quantity

The UF4003-M3/73 is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Peak repetitive reverse voltage: 200V
  • Average rectified output current: 1A
  • Forward voltage drop: 0.93V at 1A
  • Reverse recovery time: 50ns

Detailed Pin Configuration

The UF4003-M3/73 has a standard SMC package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Ultrafast recovery time
  • Low leakage current
  • High surge current capability

Advantages

  • Efficient rectification
  • Fast switching speed
  • Suitable for high-frequency applications

Disadvantages

  • Limited peak repetitive reverse voltage compared to some other rectifier diodes
  • Sensitive to overvoltage conditions

Working Principles

The UF4003-M3/73 operates based on the principle of semiconductor junction rectification. When a forward bias is applied, it allows current to flow in one direction while blocking it in the reverse direction.

Detailed Application Field Plans

The UF4003-M3/73 is widely used in the following applications: - Switch-mode power supplies - Freewheeling diodes - Snubber circuits - Flyback diodes in inductive loads

Detailed and Complete Alternative Models

Some alternative models to the UF4003-M3/73 include: - UF4004-M3/73 - UF4005-M3/73 - UF4007-M3/73

In summary, the UF4003-M3/73 is a crucial component in electronic circuits, offering ultrafast rectification and high efficiency. Its characteristics, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models make it a versatile choice for various electronic applications.

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技術ソリューションにおける UF4003-M3/73 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 UF4003-M3/73 diode used for?

    • The UF4003-M3/73 diode is commonly used in rectification and freewheeling applications in power supplies, lighting, and automotive systems.

  2. What are the key specifications of the UF4003-M3/73 diode?

    • The UF4003-M3/73 diode has a maximum repetitive peak reverse voltage of 200V, an average forward current of 1A, and a forward surge current of 30A.

  3. Can the UF4003-M3/73 diode be used in high-frequency applications?

    • Yes, the UF4003-M3/73 diode is suitable for high-frequency applications due to its fast switching capabilities and low reverse recovery time.

  4. Is the UF4003-M3/73 diode suitable for use in automotive electronics?

    • Yes, the UF4003-M3/73 diode is commonly used in automotive electronics for applications such as alternator diodes and general rectification.

  5. What are the temperature considerations for the UF4003-M3/73 diode?

    • The UF4003-M3/73 diode has an operating temperature range of -65°C to +175°C, making it suitable for a wide range of environments.

  6. Does the UF4003-M3/73 diode require any special mounting considerations?

    • The UF4003-M3/73 diode is available in a variety of package types, including DO-41 and SMA, and can be mounted using standard industry practices.

  7. Can the UF4003-M3/73 diode handle high transient voltages?

    • Yes, the UF4003-M3/73 diode has a high peak reverse voltage rating, allowing it to withstand transient voltage spikes in various applications.

  8. Are there any recommended application circuits for the UF4003-M3/73 diode?

    • Application notes and reference designs are available from the manufacturer to guide the proper use of the UF4003-M3/73 diode in different technical solutions.

  9. What are the typical failure modes of the UF4003-M3/73 diode?

    • Common failure modes include thermal overstress, reverse voltage breakdown, and excessive forward current, which can be mitigated through proper design and protection circuitry.

  10. Where can I find detailed technical information and datasheets for the UF4003-M3/73 diode?

    • Detailed technical information, datasheets, and application notes for the UF4003-M3/73 diode can be obtained from the manufacturer's website or authorized distributors.