Vishay Semiconductor Diodes Division
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UF4004-E3/73
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UF4004-E3/73

Product Overview

Category

The UF4004-E3/73 belongs to the category of ultrafast rectifier diodes.

Use

These diodes are commonly used in electronic circuits for rectifying alternating current (AC) to direct current (DC).

Characteristics

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

Package

The UF4004-E3/73 is typically available in a DO-41 package.

Essence

The essence of the UF4004-E3/73 lies in its ability to efficiently convert AC to DC in electronic circuits.

Packaging/Quantity

These diodes are usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum repetitive peak reverse voltage: 400V
  • Maximum average forward rectified current: 1A
  • Forward voltage drop: 0.93V at 1A
  • Reverse recovery time: 50ns

Detailed Pin Configuration

The UF4004-E3/73 typically has two pins, with the anode and cathode clearly marked for easy identification.

Functional Features

  • Ultrafast switching capability
  • High reliability
  • Low power loss

Advantages

  • Efficient rectification of high-frequency AC signals
  • Suitable for high-speed switching applications
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited maximum repetitive peak reverse voltage compared to some other diode models
  • Sensitive to overvoltage conditions

Working Principles

The UF4004-E3/73 operates based on the principle of creating a low-resistance path for current flow in one direction while offering high resistance in the opposite direction, allowing it to effectively rectify AC to DC.

Detailed Application Field Plans

  • Power supplies
  • Switching power supplies
  • Freewheeling diodes
  • Reverse battery protection circuits

Detailed and Complete Alternative Models

  • 1N4937
  • FR107
  • HER208
  • UF4007

In conclusion, the UF4004-E3/73 ultrafast rectifier diode offers efficient and reliable rectification of AC to DC in various electronic circuits. Its ultrafast switching speed, high efficiency, and compact package make it suitable for a wide range of applications in power supplies, switching power supplies, freewheeling diodes, and reverse battery protection circuits. While it has certain limitations, such as sensitivity to overvoltage conditions, there are alternative models available to suit specific design requirements.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van UF4004-E3/73 in technische oplossingen

  1. What is the UF4004-E3/73 diode used for?

    • The UF4004-E3/73 diode is commonly used in rectification and freewheeling applications in power supplies, lighting, and motor control circuits.

  2. What are the key electrical characteristics of the UF4004-E3/73 diode?

    • The UF4004-E3/73 diode has a maximum repetitive peak reverse voltage of 400V, a forward continuous current of 1A, and a forward voltage drop of approximately 1V at 1A.

  3. Can the UF4004-E3/73 diode handle high-frequency switching applications?

    • Yes, the UF4004-E3/73 diode is suitable for high-frequency switching due to its fast recovery time and low reverse recovery charge.

  4. Is the UF4004-E3/73 diode suitable for use in automotive electronics?

    • Yes, the UF4004-E3/73 diode is often used in automotive electronics for applications such as alternator rectification and battery charging.

  5. What are the temperature considerations for the UF4004-E3/73 diode?

    • The UF4004-E3/73 diode has an operating temperature range of -65°C to +175°C, making it suitable for a wide range of environments.

  6. Can the UF4004-E3/73 diode be used in parallel to increase current handling capacity?

    • Yes, the UF4004-E3/73 diode can be used in parallel to increase the overall current handling capacity in a circuit.

  7. Does the UF4004-E3/73 diode require a heatsink for certain applications?

    • In high-power or high-temperature applications, a heatsink may be necessary to ensure proper thermal management of the UF4004-E3/73 diode.

  8. What are some common failure modes of the UF4004-E3/73 diode?

    • Common failure modes include overvoltage breakdown, excessive reverse current, and thermal overstress.

  9. Are there any specific layout considerations when using the UF4004-E3/73 diode on a PCB?

    • Proper attention to layout and trace routing is important to minimize parasitic inductance and ensure efficient performance of the UF4004-E3/73 diode.

  10. Where can I find detailed specifications and application notes for the UF4004-E3/73 diode?

    • Detailed specifications and application notes for the UF4004-E3/73 diode can be found in the manufacturer's datasheet and application guides, which are available on their official website or through authorized distributors.