Vishay Semiconductor Diodes Division
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MBRF2545CT/45
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MBRF2545CT/45

Product Overview

The MBRF2545CT/45 is a Schottky diode belonging to the category of power rectifiers. It is commonly used in power supply applications, voltage clamping, and reverse polarity protection due to its high current capability and low forward voltage drop characteristics. The diode is available in various packages and quantities, making it suitable for a wide range of applications.

Basic Information

  • Category: Power Rectifier
  • Use: Power supply, voltage clamping, reverse polarity protection
  • Characteristics: High current capability, low forward voltage drop
  • Package: TO-220AB, DPAK, ITO-220AB
  • Essence: Efficient power rectification
  • Packaging/Quantity: Available in tape and reel packaging, quantities vary based on package type

Specifications

  • Voltage Rating: 45V
  • Current Rating: 30A
  • Forward Voltage Drop: 0.55V at 15A
  • Reverse Leakage Current: 100μA
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The MBRF2545CT/45 typically features three pins: 1. Anode (A) 2. Cathode (K) 3. Thermal Pad (T)

Functional Features

  • High current capability for power rectification
  • Low forward voltage drop for efficient energy conversion
  • Fast switching speed for improved performance
  • Excellent thermal management due to the presence of a thermal pad

Advantages and Disadvantages

Advantages

  • High current handling capacity
  • Low forward voltage drop
  • Fast switching speed
  • Good thermal management

Disadvantages

  • Higher cost compared to standard rectifiers
  • Sensitive to reverse voltage spikes

Working Principles

The MBRF2545CT/45 operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for fast switching and low forward voltage drop. When a forward bias is applied, the diode conducts with minimal voltage loss, making it suitable for high-efficiency power rectification.

Detailed Application Field Plans

The MBRF2545CT/45 finds extensive use in the following application fields: - Switch-mode power supplies - Voltage clamping circuits - Reverse polarity protection circuits - Solar panel bypass diodes - Motor drive circuits

Detailed and Complete Alternative Models

Some alternative models to the MBRF2545CT/45 include: - MBRF2045CT/45 - MBRF3045CT/45 - MBRF4045CT/45 - MBRF5045CT/45

These alternatives offer similar characteristics and are compatible with various package types, providing flexibility in design and application.

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  1. What is the MBRF2545CT/45?

    • The MBRF2545CT/45 is a Schottky diode rectifier designed for high efficiency and low power loss in applications such as switch mode power supplies, freewheeling diodes, and reverse battery protection.

  2. What is the maximum forward voltage drop of the MBRF2545CT/45?

    • The maximum forward voltage drop at 15A is typically 0.55V for the MBRF2545CT/45.

  3. What is the maximum reverse voltage of the MBRF2545CT/45?

    • The maximum reverse voltage for the MBRF2545CT/45 is 45V.

  4. What are the typical applications of the MBRF2545CT/45?

    • Typical applications include DC/DC converters, output rectification, and reverse polarity protection in automotive, telecommunications, and industrial electronics.

  5. What is the operating temperature range of the MBRF2545CT/45?

    • The MBRF2545CT/45 has an operating temperature range of -65°C to +175°C.

  6. What is the forward surge current capability of the MBRF2545CT/45?

    • The MBRF2545CT/45 has a forward surge current capability of 150A.

  7. Is the MBRF2545CT/45 RoHS compliant?

    • Yes, the MBRF2545CT/45 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of the MBRF2545CT/45?

    • The MBRF2545CT/45 comes in a TO-220AB package, which provides good thermal performance and easy mounting.

  9. What are the key advantages of using the MBRF2545CT/45 in technical solutions?

    • The MBRF2545CT/45 offers low forward voltage drop, high surge current capability, and fast switching, making it ideal for high-efficiency power supply designs.

  10. Can the MBRF2545CT/45 be used in parallel to increase current handling capacity?

    • Yes, the MBRF2545CT/45 can be used in parallel to increase current handling capacity in high-power applications. However, proper thermal management and current sharing considerations should be taken into account.