Microsemi Corporation
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SMBJ4747E3/TR13
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SMBJ4747E3/TR13

Product Overview

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

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 52.4V
  • Clamping Voltage: 85V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ4747E3/TR13 has a simple two-pin configuration with no polarity.

Functional Features

  • Provides protection against transient voltage spikes
  • Fast response time ensures minimal damage to sensitive components
  • Low clamping voltage diverts excess voltage away from the protected circuit

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact size for easy integration into circuit designs
  • Fast response time minimizes downtime due to circuit damage

Disadvantages

  • Clamping voltage may be higher than some alternative models
  • Limited to specific voltage range applications

Working Principles

The SMBJ4747E3/TR13 operates by diverting excessive voltage away from the protected circuit when a transient voltage spike occurs. It does this by rapidly switching to a low impedance state, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The SMBJ4747E3/TR13 is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMBJ5.0A: Similar characteristics but with a lower breakdown voltage of 5.0V
  • SMBJ33CA: Higher breakdown voltage of 33V, suitable for different applications

In conclusion, the SMBJ4747E3/TR13 is a reliable TVS diode that provides effective protection against transient voltage spikes in various electronic circuits. Its fast response time and compact package make it a popular choice for applications requiring robust voltage suppression.

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  1. What is the SMBJ4747E3/TR13?

    • The SMBJ4747E3/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 SMBJ4747E3/TR13?

    • The maximum working voltage of the SMBJ4747E3/TR13 is 48.4V.

  3. What is the peak pulse power of the SMBJ4747E3/TR13?

    • The peak pulse power of the SMBJ4747E3/TR13 is 600W.

  4. What are the typical applications of the SMBJ4747E3/TR13?

    • Typical applications of the SMBJ4747E3/TR13 include protection of electronic circuits in telecommunications equipment, industrial automation, and consumer electronics.

  5. What is the clamping voltage of the SMBJ4747E3/TR13?

    • The clamping voltage of the SMBJ4747E3/TR13 is 77.4V.

  6. What is the operating temperature range of the SMBJ4747E3/TR13?

    • The operating temperature range of the SMBJ4747E3/TR13 is -55°C to 150°C.

  7. Is the SMBJ4747E3/TR13 RoHS compliant?

    • Yes, the SMBJ4747E3/TR13 is RoHS compliant.

  8. What is the package type of the SMBJ4747E3/TR13?

    • The SMBJ4747E3/TR13 comes in a DO-214AA (SMB) package.

  9. Does the SMBJ4747E3/TR13 require any external components for proper operation?

    • No, the SMBJ4747E3/TR13 does not require any external components for proper operation.

  10. Can the SMBJ4747E3/TR13 be used for surge protection in power supply units?

    • Yes, the SMBJ4747E3/TR13 can be used for surge protection in power supply units to safeguard against voltage transients.