Vishay Semiconductor Diodes Division
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MBRF750HE3/45
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MBRF750HE3/45

Introduction

The MBRF750HE3/45 is a high-efficiency, Schottky barrier rectifier diode designed for various electronic applications. This entry provides an overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

  • Category: Electronic Components
  • Use: Rectification in power supply circuits, voltage clamping, and freewheeling diode applications.
  • Characteristics: High efficiency, low forward voltage drop, fast switching speed, and low reverse leakage current.
  • Package: TO-220AB
  • Essence: Schottky Barrier Rectifier Diode
  • Packaging/Quantity: Tape & Reel (800 units per reel)

Specifications

  • Forward Voltage Drop: 0.75V
  • Reverse Voltage: 45V
  • Average Rectified Current: 7.5A
  • Peak Surge Current: 150A
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The MBRF750HE3/45 follows the standard TO-220AB pin configuration: 1. Anode 2. Cathode 3. Not connected (Tab)

Functional Features

  • High Efficiency: Enables energy-efficient operation in various electronic circuits.
  • Fast Switching Speed: Facilitates rapid response in switching applications.
  • Low Forward Voltage Drop: Reduces power dissipation and enhances overall system efficiency.

Advantages and Disadvantages

Advantages

  • High efficiency and low forward voltage drop improve energy utilization.
  • Fast switching speed enhances circuit performance.
  • Low reverse leakage current minimizes power loss.

Disadvantages

  • Relatively higher cost compared to conventional rectifier diodes.
  • Limited reverse voltage rating compared to some other diode types.

Working Principles

The MBRF750HE3/45 operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for faster switching and lower forward voltage drop compared to conventional PN-junction diodes.

Detailed Application Field Plans

The MBRF750HE3/45 is suitable for a wide range of applications, including: - Power supply circuits in consumer electronics and industrial equipment. - Voltage clamping in surge protection circuits. - Freewheeling diode in motor drive and power conversion systems.

Detailed and Complete Alternative Models

For users seeking alternatives, the following models can be considered: - MBRF760HE3/45: Higher reverse voltage (60V) variant with similar characteristics. - MBRF730HE3/45: Lower reverse voltage (30V) variant with comparable specifications.

In conclusion, the MBRF750HE3/45 is a high-efficiency Schottky barrier rectifier diode with versatile applications in electronic circuits, offering fast switching speed, low forward voltage drop, and high reliability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MBRF750HE3/45 v technických řešeních

  1. What is the MBRF750HE3/45 used for?

    • The MBRF750HE3/45 is a Schottky barrier rectifier diode commonly used in power supply and voltage regulation applications.

  2. What are the key specifications of the MBRF750HE3/45?

    • The MBRF750HE3/45 has a maximum average forward current of 7.5A, a reverse voltage of 45V, and a low forward voltage drop.

  3. How does the MBRF750HE3/45 compare to other similar diodes?

    • Compared to standard diodes, the MBRF750HE3/45 offers lower forward voltage drop and faster switching speeds, making it suitable for high-frequency applications.

  4. Can the MBRF750HE3/45 be used in automotive applications?

    • Yes, the MBRF750HE3/45 is suitable for automotive systems due to its high current capability and robust construction.

  5. What are the typical thermal characteristics of the MBRF750HE3/45?

    • The MBRF750HE3/45 has a low thermal resistance and is designed to operate within a wide temperature range, making it suitable for demanding environments.

  6. Is the MBRF750HE3/45 RoHS compliant?

    • Yes, the MBRF750HE3/45 is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.

  7. Can the MBRF750HE3/45 be used in high-frequency switching power supplies?

    • Yes, the MBRF750HE3/45's fast switching characteristics make it well-suited for high-frequency power supply applications.

  8. What are the recommended mounting and soldering techniques for the MBRF750HE3/45?

    • The MBRF750HE3/45 can be mounted using standard through-hole or surface-mount techniques, and it is compatible with reflow soldering processes.

  9. Does the MBRF750HE3/45 require any external heat sinking?

    • In most applications, the MBRF750HE3/45 does not require external heat sinking due to its efficient thermal design.

  10. Are there any application notes or reference designs available for the MBRF750HE3/45?

    • Yes, the manufacturer provides detailed application notes and reference designs to assist engineers in implementing the MBRF750HE3/45 in various technical solutions.