Vishay Semiconductor Diodes Division
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MBR1645/45
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MBR1645/45

Product Overview

Category

The MBR1645/45 belongs to the category of Schottky Barrier Rectifiers.

Use

These rectifiers are commonly used in power supply applications, voltage clamping, and reverse polarity protection.

Characteristics

  • High efficiency
  • Low forward voltage drop
  • Fast switching speed
  • High temperature operation capability

Package

The MBR1645/45 is typically available in a TO-220AB package.

Essence

The essence of MBR1645/45 lies in its ability to provide efficient rectification and voltage clamping in various electronic circuits.

Packaging/Quantity

They are usually packaged in reels or tubes and are available in quantities suitable for both prototyping and production.

Specifications

  • Maximum Average Forward Current: 16A
  • Reverse Voltage: 45V
  • Forward Voltage Drop: 0.55V at 8A
  • Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The MBR1645/45 has a standard pin configuration with the anode and cathode clearly marked for easy integration into circuit designs.

Functional Features

  • Low power loss
  • High efficiency
  • Excellent thermal performance
  • Reliable reverse voltage protection

Advantages

  • Fast switching speed reduces switching losses
  • Low forward voltage drop minimizes power dissipation
  • High temperature operation capability ensures reliability in harsh environments

Disadvantages

  • Higher cost compared to standard rectifiers
  • Sensitive to voltage transients

Working Principles

The MBR1645/45 operates based on the Schottky barrier principle, where the metal-semiconductor junction provides low forward voltage drop and fast switching characteristics.

Detailed Application Field Plans

Power Supplies

The MBR1645/45 is widely used in switch-mode power supplies due to its high efficiency and fast switching speed.

Voltage Clamping

In circuits where protection against voltage spikes is required, the MBR1645/45 serves as an effective voltage clamp, safeguarding sensitive components.

Reverse Polarity Protection

Its reverse voltage protection feature makes it suitable for use in applications where accidental reverse polarity connection needs to be prevented.

Detailed and Complete Alternative Models

  • MBR1660
  • MBR20100CT
  • MBR3045PT

In conclusion, the MBR1645/45 Schottky Barrier Rectifier offers high efficiency, fast switching speed, and reliable performance in various power supply and protection applications. While it may have a higher cost compared to standard rectifiers, its advantages in terms of performance and reliability make it a preferred choice in many electronic circuits.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MBR1645/45 in technische oplossingen

Sure, here are 10 common questions and answers related to the application of MBR1645/45 in technical solutions:

  1. Question: What is MBR1645/45?
    Answer: MBR1645/45 is a Schottky barrier rectifier diode with a maximum average forward current of 16A and a reverse voltage of 45V.

  2. Question: What are the typical applications of MBR1645/45?
    Answer: MBR1645/45 is commonly used in power supplies, converters, and other electronic equipment where high efficiency and low forward voltage drop are required.

  3. Question: What is the forward voltage drop of MBR1645/45 at its rated current?
    Answer: The forward voltage drop at the rated current of 16A is typically around 0.55V for MBR1645/45.

  4. Question: What is the reverse recovery time of MBR1645/45?
    Answer: The reverse recovery time of MBR1645/45 is typically very fast, which makes it suitable for high-frequency applications.

  5. Question: Can MBR1645/45 be used in parallel to increase current handling capability?
    Answer: Yes, MBR1645/45 can be used in parallel to increase the overall current handling capability in a circuit.

  6. Question: What is the maximum junction temperature of MBR1645/45?
    Answer: The maximum junction temperature of MBR1645/45 is typically 150°C.

  7. Question: Is MBR1645/45 suitable for automotive applications?
    Answer: Yes, MBR1645/45 is suitable for automotive applications due to its high current handling capability and rugged construction.

  8. Question: Can MBR1645/45 be used in flyback converter circuits?
    Answer: Yes, MBR1645/45 is commonly used in flyback converter circuits due to its fast recovery time and low forward voltage drop.

  9. Question: What is the package type of MBR1645/45?
    Answer: MBR1645/45 is typically available in a TO-220AB package, which provides good thermal performance.

  10. Question: Are there any specific layout considerations when using MBR1645/45 in a PCB design?
    Answer: It is important to minimize the length of the traces connecting MBR1645/45 to other components to reduce parasitic inductance and ensure proper heat dissipation.

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