Microsemi Corporation
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SMBJ4743A/TR13
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SMBJ4743A/TR13

Product Overview

Category

The SMBJ4743A/TR13 belongs to the category of transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transient overvoltage conditions.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability

Package

The SMBJ4743A/TR13 is typically available in a surface mount package.

Essence

The essence of this product lies in its ability to provide reliable protection against transient voltage events.

Packaging/Quantity

The SMBJ4743A/TR13 is commonly packaged in reels with a quantity varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 43.6V
  • Maximum Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ4743A/TR13 typically features a standard SMD (Surface Mount Device) pin configuration with two terminals for connection.

Functional Features

  • Transient voltage suppression
  • Reverse standoff voltage
  • Low leakage current

Advantages and Disadvantages

Advantages

  • Fast response to transient events
  • Low clamping voltage ensures minimal impact on protected circuits
  • High surge current capability for robust protection

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive protection in complex systems

Working Principles

The SMBJ4743A/TR13 operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

Telecommunications

In telecommunications equipment, the SMBJ4743A/TR13 can be used to safeguard sensitive communication modules from voltage surges induced by lightning strikes or power fluctuations.

Industrial Control Systems

Within industrial control systems, these diodes can protect microcontrollers and sensors from voltage transients caused by electromagnetic interference or switching operations.

Automotive Electronics

In automotive electronics, the SMBJ4743A/TR13 can be employed to shield onboard computers and entertainment systems from voltage spikes generated by the vehicle's electrical system.

Detailed and Complete Alternative Models

  • SMBJ5.0A: Similar characteristics with a breakdown voltage of 5.0V
  • SMBJ15A: Higher breakdown voltage of 15V, suitable for applications requiring higher protection levels
  • SMBJ24A: Lower breakdown voltage of 24V, ideal for low-voltage circuit protection

In conclusion, the SMBJ4743A/TR13 transient voltage suppressor diode offers efficient protection against transient voltage events, making it an essential component in various electronic systems.

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Texniki həllərdə SMBJ4743A/TR13 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the SMBJ4743A/TR13?

    • The SMBJ4743A/TR13 is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of the SMBJ4743A/TR13?

    • The maximum working voltage of the SMBJ4743A/TR13 is 440V.

  3. What is the peak pulse power dissipation of the SMBJ4743A/TR13?

    • The peak pulse power dissipation of the SMBJ4743A/TR13 is 600W.

  4. What are the typical applications of the SMBJ4743A/TR13?

    • The SMBJ4743A/TR13 is commonly used in applications such as power supplies, telecommunications equipment, automotive electronics, and industrial controls.

  5. What is the clamping voltage of the SMBJ4743A/TR13?

    • The clamping voltage of the SMBJ4743A/TR13 is 710V.

  6. What is the operating temperature range of the SMBJ4743A/TR13?

    • The operating temperature range of the SMBJ4743A/TR13 is -55°C to 150°C.

  7. What is the package type of the SMBJ4743A/TR13?

    • The SMBJ4743A/TR13 comes in a DO-214AA (SMB) package.

  8. Is the SMBJ4743A/TR13 RoHS compliant?

    • Yes, the SMBJ4743A/TR13 is RoHS compliant.

  9. What are the key features of the SMBJ4743A/TR13?

    • The key features of the SMBJ4743A/TR13 include low incremental surge resistance, fast response time, and high reliability.

  10. How should the SMBJ4743A/TR13 be mounted on a PCB?

    • The SMBJ4743A/TR13 should be mounted with the cathode side connected to the ground plane for effective transient voltage suppression.

These questions and answers provide a comprehensive overview of the SMBJ4743A/TR13 and its application in technical solutions.