Microsemi Corporation
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SMBJ4751AE3/TR13
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SMBJ4751AE3/TR13

Product Overview

Category: Diode
Use: Voltage suppression in electronic circuits
Characteristics: Transient voltage suppressor diode, 500W power dissipation, 47V standoff voltage, 61.2V clamping voltage, unidirectional, surface mount package
Essence: Protects sensitive electronic components from voltage spikes
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Standoff Voltage: 47V
  • Clamping Voltage: 61.2V
  • Power Dissipation: 500W
  • Polarity: Unidirectional
  • Package Type: SMB
  • Mounting Style: Surface Mount
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ4751AE3/TR13 has two pins, with the cathode connected to the ground and the anode connected to the input voltage line.

Functional Features

  • Provides overvoltage protection for sensitive electronic components
  • Fast response time to transient voltage spikes
  • Low clamping voltage ensures minimal impact on the protected circuit

Advantages

  • High power dissipation capability
  • Compact surface mount package
  • Wide operating temperature range

Disadvantages

  • Unidirectional protection may not be suitable for bidirectional applications
  • May require additional circuitry for reverse polarity protection

Working Principles

When the input voltage exceeds the standoff voltage, the diode begins to conduct, diverting excess current away from the protected circuit. The clamping voltage limits the voltage across the protected circuit, preventing damage from transient voltage spikes.

Detailed Application Field Plans

  • Telecommunications equipment
  • Industrial control systems
  • Automotive electronics
  • Power supplies
  • Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ5.0A: Standoff Voltage: 5V, Clamping Voltage: 9.2V, Power Dissipation: 600W
  • SMBJ15CA: Standoff Voltage: 15V, Clamping Voltage: 24.4V, Power Dissipation: 400W
  • SMBJ33A: Standoff Voltage: 33V, Clamping Voltage: 53.3V, Power Dissipation: 200W

This completes the entry for SMBJ4751AE3/TR13, providing comprehensive information about its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ4751AE3/TR13 en soluciones técnicas

  1. What is the SMBJ4751AE3/TR13?

    • The SMBJ4751AE3/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 SMBJ4751AE3/TR13?

    • The maximum working voltage of the SMBJ4751AE3/TR13 is 475 volts.

  3. What is the peak pulse power dissipation of the SMBJ4751AE3/TR13?

    • The peak pulse power dissipation of the SMBJ4751AE3/TR13 is 600 watts.

  4. What are the typical applications of the SMBJ4751AE3/TR13?

    • The SMBJ4751AE3/TR13 is commonly used in applications such as power supplies, telecommunications equipment, and automotive electronics for transient voltage protection.

  5. What is the clamping voltage of the SMBJ4751AE3/TR13?

    • The clamping voltage of the SMBJ4751AE3/TR13 is 775 volts.

  6. What is the operating temperature range of the SMBJ4751AE3/TR13?

    • The operating temperature range of the SMBJ4751AE3/TR13 is -55°C to +150°C.

  7. Is the SMBJ4751AE3/TR13 RoHS compliant?

    • Yes, the SMBJ4751AE3/TR13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of the SMBJ4751AE3/TR13?

    • The SMBJ4751AE3/TR13 comes in a surface mount DO-214AA (SMB) package.

  9. What are the key features of the SMBJ4751AE3/TR13?

    • The key features of the SMBJ4751AE3/TR13 include low clamping voltage, fast response time, and high surge capability.

  10. Where can I find detailed specifications and application notes for the SMBJ4751AE3/TR13?

    • Detailed specifications and application notes for the SMBJ4751AE3/TR13 can be found in the datasheet provided by the manufacturer or distributor.