Microsemi Corporation
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SMBJ5947AE3/TR13
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SMBJ5947AE3/TR13

Product Overview

Category: Diode
Use: Voltage suppression in electronic circuits
Characteristics: Fast response time, low clamping voltage
Package: DO-214AA (SMB)
Essence: Transient Voltage Suppressor (TVS) diode
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 52.4V
  • Clamping Voltage: 85.5V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 47V

Detailed Pin Configuration

The SMBJ5947AE3/TR13 has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Rapid response to transient overvoltage conditions
  • Low clamping voltage to protect sensitive electronic components
  • High surge current capability

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast reaction time - Compact size

Disadvantages: - Limited power dissipation capability - May require additional circuitry for comprehensive protection

Working Principles

When a transient voltage spike occurs, the SMBJ5947AE3/TR13 conducts current to divert the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit to a safe level, preventing damage to sensitive components.

Detailed Application Field Plans

  • Telecommunications: Protecting communication equipment from lightning-induced surges
  • Automotive: Safeguarding vehicle electronics from voltage spikes
  • Industrial Control Systems: Shielding control circuitry from power surges

Detailed and Complete Alternative Models

  1. P6KE51CA: Similar TVS diode with higher peak pulse power
  2. 1.5SMC47CA: TVS diode with a different package and higher clamping voltage
  3. SMAJ58A: TVS diode with lower breakdown voltage and smaller package size

This information provides a comprehensive overview of the SMBJ5947AE3/TR13, covering its specifications, features, applications, and alternatives.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ5947AE3/TR13 v technických řešeních

  1. What is the SMBJ5947AE3/TR13?

    • The SMBJ5947AE3/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 SMBJ5947AE3/TR13?

    • The maximum working voltage of the SMBJ5947AE3/TR13 is 59V.

  3. What is the peak pulse power of the SMBJ5947AE3/TR13?

    • The peak pulse power of the SMBJ5947AE3/TR13 is 600W.

  4. How does the SMBJ5947AE3/TR13 protect electronic circuits?

    • The SMBJ5947AE3/TR13 clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. In what applications can the SMBJ5947AE3/TR13 be used?

    • The SMBJ5947AE3/TR13 is commonly used in telecommunications equipment, industrial automation, automotive electronics, and power supplies.

  6. What are the key features of the SMBJ5947AE3/TR13?

    • The key features include low clamping voltage, fast response time, and high surge capability.

  7. What is the operating temperature range of the SMBJ5947AE3/TR13?

    • The SMBJ5947AE3/TR13 has an operating temperature range of -55°C to 150°C.

  8. How should the SMBJ5947AE3/TR13 be mounted on a PCB?

    • The SMBJ5947AE3/TR13 should be mounted with adequate heat sinking and trace width to handle the transient current.

  9. What standards does the SMBJ5947AE3/TR13 comply with?

    • The SMBJ5947AE3/TR13 complies with RoHS and is also available in AEC-Q101 qualified versions for automotive applications.

  10. Can the SMBJ5947AE3/TR13 be used for ESD protection?

    • Yes, the SMBJ5947AE3/TR13 can be used for ESD (electrostatic discharge) protection in various electronic devices and systems.