Vishay Semiconductor Diodes Division
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81CNQ045ASL
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81CNQ045ASL

Product Overview

Category

The 81CNQ045ASL belongs to the category of Schottky diodes.

Use

It is commonly used in power supply and rectification applications.

Characteristics

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

Package

The 81CNQ045ASL is typically available in a TO-263AB package.

Essence

This diode is essential for efficient power conversion and low-loss rectification.

Packaging/Quantity

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

Specifications

  • Forward Voltage: 0.55V
  • Reverse Voltage: 45V
  • Continuous Forward Current: 80A
  • Reverse Recovery Time: 35ns

Detailed Pin Configuration

The 81CNQ045ASL typically has three pins: 1. Anode 2. Cathode 3. Thermal pad

Functional Features

  • High efficiency
  • Low power dissipation
  • Suitable for high-frequency operation

Advantages

  • Reduced power loss
  • Enhanced system reliability
  • Compact design

Disadvantages

  • Higher cost compared to standard diodes
  • Sensitive to overvoltage conditions

Working Principles

The 81CNQ045ASL operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for fast switching and low forward voltage drop.

Detailed Application Field Plans

This diode is widely used in: - Switching power supplies - DC-DC converters - Motor drive circuits - Solar inverters

Detailed and Complete Alternative Models

  • 81CNQ030ASL
  • 81CNQ060ASL
  • 81CNQ080ASL

In conclusion, the 81CNQ045ASL Schottky diode offers high performance and efficiency in power supply and rectification applications. Its characteristics, specifications, and application field plans make it a valuable component in various electronic systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 81CNQ045ASL i tekniska lösningar

Sure, here are 10 common questions and answers related to the application of 81CNQ045ASL in technical solutions:

  1. Question: What is the maximum repetitive peak reverse voltage of 81CNQ045ASL?
    Answer: The maximum repetitive peak reverse voltage of 81CNQ045ASL is 45V.

  2. Question: What is the average forward current rating of 81CNQ045ASL?
    Answer: The average forward current rating of 81CNQ045ASL is 80A.

  3. Question: Can 81CNQ045ASL be used in high-frequency applications?
    Answer: Yes, 81CNQ045ASL is suitable for high-frequency applications due to its fast switching characteristics.

  4. Question: What is the typical forward voltage drop of 81CNQ045ASL at 40A?
    Answer: The typical forward voltage drop of 81CNQ045ASL at 40A is 0.65V.

  5. Question: Is 81CNQ045ASL suitable for use in power supplies?
    Answer: Yes, 81CNQ045ASL is commonly used in power supply applications due to its high current capability.

  6. Question: Does 81CNQ045ASL require a heatsink for operation?
    Answer: Yes, it is recommended to use a heatsink with 81CNQ045ASL to ensure proper heat dissipation.

  7. Question: What is the reverse recovery time of 81CNQ045ASL?
    Answer: The reverse recovery time of 81CNQ045ASL is typically 35ns.

  8. Question: Can 81CNQ045ASL be used in automotive applications?
    Answer: Yes, 81CNQ045ASL is suitable for automotive applications such as motor control and battery charging.

  9. Question: What is the maximum junction temperature of 81CNQ045ASL?
    Answer: The maximum junction temperature of 81CNQ045ASL is 175°C.

  10. Question: Is 81CNQ045ASL RoHS compliant?
    Answer: Yes, 81CNQ045ASL is RoHS compliant, making it suitable for environmentally friendly designs.