Vishay Semiconductor Diodes Division
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1N4934GPEHE3/91
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1N4934GPEHE3/91

Product Overview

Category

The 1N4934GPEHE3/91 belongs to the category of semiconductor diodes.

Use

It is commonly used in rectification and voltage regulation applications.

Characteristics

  • Forward Voltage: 1V
  • Reverse Voltage: 100V
  • Forward Current: 1A
  • Reverse Recovery Time: 50ns

Package

The 1N4934GPEHE3/91 is typically available in a DO-41 package.

Essence

This diode is designed to allow current to flow in only one direction, making it suitable for use in various electronic circuits.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Manufacturer: Vishay Semiconductor
  • Part Number: 1N4934GPEHE3/91
  • Maximum Reverse Voltage: 100V
  • Maximum Forward Voltage: 1V
  • Maximum Forward Current: 1A
  • Reverse Recovery Time: 50ns
  • Package Type: DO-41

Detailed Pin Configuration

The 1N4934GPEHE3/91 has two pins, anode, and cathode. The anode is marked with a band on the diode body.

Functional Features

  • Unidirectional current flow
  • Fast reverse recovery time
  • Low forward voltage drop

Advantages and Disadvantages

Advantages

  • Low forward voltage drop reduces power dissipation
  • Fast reverse recovery time minimizes switching losses
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited maximum reverse voltage compared to other diode types
  • Relatively higher forward voltage compared to Schottky diodes

Working Principles

The 1N4934GPEHE3/91 operates based on the principle of creating a depletion region within the semiconductor material when reverse-biased, preventing current flow. When forward-biased, it allows current to pass through with minimal voltage drop.

Detailed Application Field Plans

The 1N4934GPEHE3/91 is widely used in: - Power supply circuits - Rectifiers - Voltage regulators - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4934GPEHE3/91 include: - 1N4001: Similar characteristics, higher maximum reverse voltage - 1N5819: Lower forward voltage, faster switching speed - 1N4148: Faster recovery time, lower maximum forward current

In conclusion, the 1N4934GPEHE3/91 is a versatile semiconductor diode with specific characteristics that make it suitable for various rectification and voltage regulation applications.

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Énumérez 10 questions et réponses courantes liées à l'application de 1N4934GPEHE3/91 dans les solutions techniques

  1. What is the 1N4934GPEHE3/91 diode used for?

    • The 1N4934GPEHE3/91 diode is commonly used in rectification and freewheeling applications in power supplies, inverters, and other electronic circuits.

  2. What are the key specifications of the 1N4934GPEHE3/91 diode?

    • The 1N4934GPEHE3/91 diode is a fast recovery rectifier diode with a maximum repetitive peak reverse voltage of 400V, average forward current of 1A, and a forward voltage drop of approximately 1V at 1A.

  3. How does the 1N4934GPEHE3/91 diode perform in high-frequency applications?

    • The 1N4934GPEHE3/91 diode has a fast recovery time, making it suitable for high-frequency applications such as switch-mode power supplies and inverters.

  4. Can the 1N4934GPEHE3/91 diode handle surge currents?

    • Yes, the 1N4934GPEHE3/91 diode has a surge current capability of 30A, making it suitable for handling transient overloads.

  5. What are the typical operating temperatures for the 1N4934GPEHE3/91 diode?

    • The 1N4934GPEHE3/91 diode is designed to operate within a temperature range of -65°C to +175°C.

  6. Is the 1N4934GPEHE3/91 diode available in different package types?

    • Yes, the 1N4934GPEHE3/91 diode is available in various packages including DO-41, SMA, and SMB.

  7. Can the 1N4934GPEHE3/91 diode be used in bridge rectifier configurations?

    • Yes, the 1N4934GPEHE3/91 diode can be used in bridge rectifier circuits to convert AC voltage to DC in power supply applications.

  8. What are the common failure modes of the 1N4934GPEHE3/91 diode?

    • Common failure modes include thermal runaway due to excessive heat, reverse voltage breakdown, and overcurrent conditions.

  9. Are there any recommended layout considerations when using the 1N4934GPEHE3/91 diode?

    • It is important to minimize the length of the traces connecting the diode to reduce parasitic inductance and ensure proper heat dissipation.

  10. Where can I find detailed application notes for the 1N4934GPEHE3/91 diode?

    • Detailed application notes and design guidelines for the 1N4934GPEHE3/91 diode can be found in the manufacturer's datasheet and application notes.