Vishay Semiconductor Diodes Division
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MBR20H45CTHE3/45
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MBR20H45CTHE3/45

Product Overview

Category

The MBR20H45CTHE3/45 belongs to the category of Schottky diodes.

Use

It is commonly used in power supply and rectification applications.

Characteristics

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

Package

The MBR20H45CTHE3/45 is typically available in a TO-220AB package.

Essence

This diode is essential for converting alternating current (AC) to direct current (DC) with minimal power loss.

Packaging/Quantity

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

Specifications

  • Maximum Average Forward Current: 20A
  • Reverse Voltage: 45V
  • Forward Voltage Drop: 0.55V at 10A
  • Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The MBR20H45CTHE3/45 typically has three pins: 1. Anode 2. Cathode 3. Thermal pad (for heat dissipation)

Functional Features

  • Low power loss
  • High reliability
  • Suitable for high-frequency applications

Advantages

  • Reduced heat generation
  • Improved system efficiency
  • Fast response time

Disadvantages

  • Higher cost compared to standard diodes
  • Limited reverse voltage capability

Working Principles

The MBR20H45CTHE3/45 operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for faster switching and lower forward voltage drop compared to conventional diodes.

Detailed Application Field Plans

The MBR20H45CTHE3/45 is widely used in: - Switching power supplies - DC-DC converters - Solar panel bypass diodes

Detailed and Complete Alternative Models

Some alternative models to the MBR20H45CTHE3/45 include: - MBR20100CT - MBR2045CT - MBR20200CT

In conclusion, the MBR20H45CTHE3/45 Schottky diode offers high efficiency and fast switching speed, making it suitable for various power supply and rectification applications. Its low forward voltage drop and high reliability make it a preferred choice in high-frequency circuits. However, its higher cost and limited reverse voltage capability are important considerations when selecting alternative models for specific applications.

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10 domande e risposte comuni relative all'applicazione di MBR20H45CTHE3/45 nelle soluzioni tecniche

  1. What is the MBR20H45CTHE3/45 diode used for?

    • The MBR20H45CTHE3/45 diode is commonly used as a rectifier in power supply and voltage regulation applications.

  2. What are the key specifications of the MBR20H45CTHE3/45 diode?

    • The MBR20H45CTHE3/45 diode has a maximum average forward current of 20A, a reverse voltage of 45V, and a low forward voltage drop.

  3. Can the MBR20H45CTHE3/45 diode be used in high-frequency applications?

    • Yes, the MBR20H45CTHE3/45 diode is suitable for high-frequency switching due to its fast recovery time and low reverse recovery charge.

  4. Is the MBR20H45CTHE3/45 diode suitable for automotive applications?

    • Yes, the MBR20H45CTHE3/45 diode is often used in automotive systems for its high efficiency and reliability.

  5. What are the typical thermal characteristics of the MBR20H45CTHE3/45 diode?

    • The MBR20H45CTHE3/45 diode has a low thermal resistance and is designed to operate within a wide temperature range, making it suitable for various environments.

  6. Does the MBR20H45CTHE3/45 diode require any special heat sinking or cooling methods?

    • Depending on the application and operating conditions, proper heat sinking or cooling may be necessary to ensure optimal performance and reliability.

  7. Can the MBR20H45CTHE3/45 diode be used in parallel for higher current applications?

    • Yes, the MBR20H45CTHE3/45 diode can be used in parallel to increase the overall current handling capability in high-power applications.

  8. Are there any specific layout considerations when using the MBR20H45CTHE3/45 diode in a circuit?

    • It is important to consider proper PCB layout, minimize parasitic inductance, and ensure adequate trace widths for efficient operation and thermal management.

  9. What are the potential failure modes of the MBR20H45CTHE3/45 diode?

    • Common failure modes include overcurrent conditions, excessive junction temperature, and voltage transients. Proper protection circuits should be implemented to mitigate these risks.

  10. Where can I find detailed application notes and reference designs for the MBR20H45CTHE3/45 diode?

    • Detailed application notes and reference designs for the MBR20H45CTHE3/45 diode can be found on the manufacturer's website or through authorized distributors.