Vishay Semiconductor Diodes Division
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20CJQ045TR
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20CJQ045TR Product Overview

Introduction

The 20CJQ045TR is a power Schottky rectifier designed for high-frequency DC-DC converters, freewheeling diodes, and reverse battery protection applications. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Power Schottky Rectifier
  • Use: High-frequency DC-DC converters, freewheeling diodes, reverse battery protection
  • Characteristics: High efficiency, low forward voltage drop, fast switching speed
  • Package: TO-220AB
  • Essence: Silicon Schottky Diode
  • Packaging/Quantity: Tape & Reel (800 units per reel)

Specifications

  • Voltage Rating: 45V
  • Forward Current: 20A
  • Reverse Current: 500µA
  • Forward Voltage Drop: 0.55V @ 10A
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 20CJQ045TR follows the standard TO-220AB pin configuration: 1. Anode 2. Cathode 3. Not connected TO-220AB Pin Configuration

Functional Features

  • High-frequency operation capability
  • Low power loss and high efficiency
  • Guard ring for enhanced ruggedness and long-term reliability
  • Lead (Pb)-free design

Advantages and Disadvantages

Advantages

  • Fast switching speed
  • Low forward voltage drop
  • High current capability
  • Enhanced thermal performance

Disadvantages

  • Relatively higher reverse leakage current compared to some alternatives
  • Larger footprint compared to SMD packages

Working Principles

The 20CJQ045TR operates based on the Schottky barrier principle, where the metal-semiconductor junction's barrier height determines the rectification properties. When a forward bias is applied, the low forward voltage drop allows efficient current conduction.

Detailed Application Field Plans

The 20CJQ045TR is ideally suited for various applications, including: - High-frequency DC-DC converters - Freewheeling diodes in power supplies - Reverse battery protection in automotive electronics - Solar panel bypass diodes

Detailed and Complete Alternative Models

For users seeking alternative options, the following models can be considered: 1. 30CQ045TR - Higher voltage rating 2. 15CJQ045TR - Lower forward current 3. 20CJQ030TR - Lower voltage rating

In conclusion, the 20CJQ045TR offers high-performance characteristics suitable for diverse power management applications, with considerations for its advantages, disadvantages, and alternative models.

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10个与20CJQ045TR在技术解决方案中的应用相关的常见问题及解答

Sure, here are 10 common questions and answers related to the application of 20CJQ045TR in technical solutions:

  1. What is the maximum forward voltage of 20CJQ045TR?

    • The maximum forward voltage of 20CJQ045TR is typically 0.55V at 10A.

  2. What is the reverse recovery time of 20CJQ045TR?

    • The reverse recovery time of 20CJQ045TR is typically 35ns.

  3. What is the maximum continuous forward current rating of 20CJQ045TR?

    • The maximum continuous forward current rating of 20CJQ045TR is 20A.

  4. What is the operating temperature range for 20CJQ045TR?

    • The operating temperature range for 20CJQ045TR is -55°C to +150°C.

  5. What is the typical junction capacitance of 20CJQ045TR?

    • The typical junction capacitance of 20CJQ045TR is 300pF at 4V, 1MHz.

  6. Is 20CJQ045TR suitable for high-frequency applications?

    • Yes, 20CJQ045TR is suitable for high-frequency applications due to its fast recovery time and low forward voltage.

  7. Can 20CJQ045TR be used in power supply circuits?

    • Yes, 20CJQ045TR is commonly used in power supply circuits due to its high current rating and low forward voltage.

  8. Does 20CJQ045TR require a heatsink for operation?

    • It is recommended to use a heatsink with 20CJQ045TR when operating at high currents or in elevated ambient temperatures.

  9. What package type is 20CJQ045TR available in?

    • 20CJQ045TR is available in a TO-220AB package.

  10. Is 20CJQ045TR RoHS compliant?

    • Yes, 20CJQ045TR is RoHS compliant, making it suitable for environmentally friendly designs.

I hope these answers provide the information you were looking for! If you have any more questions, feel free to ask.