Microsemi Corporation
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1N4938UR-1
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1N4938UR-1

Product Overview

Category

The 1N4938UR-1 belongs to the category of rectifier diodes.

Use

It is commonly used in various electronic circuits for rectification purposes.

Characteristics

  • High current capability
  • Fast switching speed
  • Low forward voltage drop

Package

The 1N4938UR-1 is typically available in a DO-41 package.

Essence

This rectifier diode is essential for converting alternating current (AC) to direct current (DC) in electronic circuits.

Packaging/Quantity

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

Specifications

  • Maximum Average Forward Current: 1A
  • Peak Repetitive Reverse Voltage: 1000V
  • Forward Voltage Drop: 1V at 1A
  • Reverse Recovery Time: 50ns

Detailed Pin Configuration

The 1N4938UR-1 has two pins, an anode and a cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

  • Efficient rectification of AC to DC
  • Fast response time
  • High current handling capability

Advantages and Disadvantages

Advantages

  • High current capability
  • Fast switching speed
  • Low forward voltage drop

Disadvantages

  • Relatively high reverse recovery time compared to other diodes
  • Limited voltage rating compared to some higher power diodes

Working Principles

The 1N4938UR-1 operates on the principle of allowing current to flow in one direction while blocking it in the opposite direction, enabling the conversion of AC to DC.

Detailed Application Field Plans

The 1N4938UR-1 is widely used in: - Power supplies - Battery chargers - LED lighting applications - Switching power supplies

Detailed and Complete Alternative Models

Some alternative models to the 1N4938UR-1 include: - 1N4007 - 1N5408 - FR107 - UF4007

In conclusion, the 1N4938UR-1 rectifier diode is a crucial component in electronic circuits, providing efficient rectification and reliable performance in various applications.

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Texniki həllərdə 1N4938UR-1 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the maximum forward voltage drop of 1N4938UR-1?

    • The maximum forward voltage drop of 1N4938UR-1 is typically 1V at a forward current of 1A.

  2. What is the maximum reverse voltage rating of 1N4938UR-1?

    • The maximum reverse voltage rating of 1N4938UR-1 is 1000V.

  3. What is the peak forward surge current for 1N4938UR-1?

    • The peak forward surge current for 1N4938UR-1 is 50A.

  4. Can 1N4938UR-1 be used in rectifier applications?

    • Yes, 1N4938UR-1 is commonly used as a rectifier diode in various technical solutions.

  5. What is the typical junction capacitance of 1N4938UR-1?

    • The typical junction capacitance of 1N4938UR-1 is 15pF at a reverse bias of 4V.

  6. Is 1N4938UR-1 suitable for high-frequency applications?

    • Yes, 1N4938UR-1 is suitable for high-frequency applications due to its fast switching characteristics.

  7. What is the operating temperature range of 1N4938UR-1?

    • The operating temperature range of 1N4938UR-1 is -65°C to +175°C.

  8. Can 1N4938UR-1 be used in flyback diode applications?

    • Yes, 1N4938UR-1 is commonly used as a flyback diode in technical solutions to protect circuits from voltage spikes.

  9. Does 1N4938UR-1 have a low leakage current?

    • Yes, 1N4938UR-1 has a low reverse leakage current, making it suitable for precision applications.

  10. What package type is 1N4938UR-1 available in?

    • 1N4938UR-1 is available in a DO-41 package, which is a common through-hole package for diodes.