Microsemi Corporation
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SMBJ4744E3/TR13
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SMBJ4744E3/TR13

Product Overview

Category

The SMBJ4744E3/TR13 belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The SMBJ4744E3/TR13 is available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMBJ4744E3/TR13 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Standoff Voltage: 44.7V
  • Breakdown Voltage: 49.4V
  • Maximum Clamping Voltage: 77V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ4744E3/TR13 has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Bi-directional TVS diode
  • Low leakage current
  • High reliability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Relatively high clamping voltage compared to some alternative models
  • Sensitive to reverse surge currents

Working Principles

When a transient voltage spike occurs, the SMBJ4744E3/TR13 conducts the excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMBJ4744E3/TR13 is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMBJ4744E3/TR13 include: - SMAJ4744E3/TR13 - P6SMBJ4744E3/TR13 - SMCJ4744E3/TR13

In conclusion, the SMBJ4744E3/TR13 transient voltage suppressor diode offers effective protection against voltage transients in various electronic applications, despite its limitations in clamping voltage and sensitivity to reverse surge currents.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ4744E3/TR13 v technických řešeních

  1. What is the SMBJ4744E3/TR13?

    • The SMBJ4744E3/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 SMBJ4744E3/TR13?

    • The maximum working voltage of the SMBJ4744E3/TR13 is 440V.

  3. What is the peak pulse power dissipation of the SMBJ4744E3/TR13?

    • The peak pulse power dissipation of the SMBJ4744E3/TR13 is 600W.

  4. What are the typical applications for the SMBJ4744E3/TR13?

    • Typical applications for the SMBJ4744E3/TR13 include protection of electronic equipment such as telecommunication systems, industrial controls, and automotive electronics.

  5. What is the clamping voltage of the SMBJ4744E3/TR13?

    • The clamping voltage of the SMBJ4744E3/TR13 is 710V.

  6. What is the operating temperature range of the SMBJ4744E3/TR13?

    • The operating temperature range of the SMBJ4744E3/TR13 is -55°C to 150°C.

  7. Is the SMBJ4744E3/TR13 RoHS compliant?

    • Yes, the SMBJ4744E3/TR13 is RoHS compliant, making it suitable for use in environmentally friendly designs.

  8. What is the package type of the SMBJ4744E3/TR13?

    • The SMBJ4744E3/TR13 comes in a surface mount DO-214AA (SMB) package.

  9. What are the key features of the SMBJ4744E3/TR13?

    • Key features of the SMBJ4744E3/TR13 include low incremental surge resistance, fast response time, and high reliability.

  10. Can the SMBJ4744E3/TR13 be used for ESD protection?

    • Yes, the SMBJ4744E3/TR13 can be used for electrostatic discharge (ESD) protection in various electronic circuits and systems.