Microsemi Corporation
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SMBJ4729A/TR13
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SMBJ4729A/TR13

Product Overview

Category

The SMBJ4729A/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

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

Package

The SMBJ4729A/TR13 is available in a DO-214AA (SMB) package.

Essence

The essence of the SMBJ4729A/TR13 lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

The SMBJ4729A/TR13 is typically packaged in reels and is available in quantities suitable for both prototyping and production purposes.

Specifications

  • Standoff Voltage: 43.6V
  • Breakdown Voltage: 48.4V
  • Maximum Clamping Voltage: 70.1V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMBJ4729A/TR13 follows the standard pin configuration for DO-214AA (SMB) packages, with two pins for connection to the circuit board.

Functional Features

The functional features of the SMBJ4729A/TR13 include: - Bi-directional clamping capability - Low incremental surge resistance - High reliability

Advantages and Disadvantages

Advantages

  • Fast response to transient events
  • High surge current handling capability
  • Compact form factor

Disadvantages

  • Limited to low to medium power applications
  • May require additional circuitry for higher power protection

Working Principles

The SMBJ4729A/TR13 operates based on the principle of diverting excessive transient currents away from sensitive components by providing a low-impedance path to ground during transient events.

Detailed Application Field Plans

The SMBJ4729A/TR13 is commonly used in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBJ4729A/TR13 include: - SMAJ series TVS diodes - P6KE series TVS diodes - SMCJ series TVS diodes

In conclusion, the SMBJ4729A/TR13 transient voltage suppressor diode offers effective protection against transient voltage events and finds widespread use in diverse electronic applications.

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Texniki həllərdə SMBJ4729A/TR13 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. What is the SMBJ4729A/TR13?

    • The SMBJ4729A/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 SMBJ4729A/TR13?

    • The maximum working voltage of the SMBJ4729A/TR13 is 440V.

  3. What is the peak pulse power dissipation of the SMBJ4729A/TR13?

    • The peak pulse power dissipation of the SMBJ4729A/TR13 is 600W.

  4. What are the typical applications of the SMBJ4729A/TR13?

    • The SMBJ4729A/TR13 is commonly used in various technical solutions such as power supplies, telecommunications equipment, automotive electronics, and industrial control systems for transient voltage protection.

  5. What is the breakdown voltage of the SMBJ4729A/TR13?

    • The breakdown voltage of the SMBJ4729A/TR13 is 519V.

  6. What is the operating temperature range of the SMBJ4729A/TR13?

    • The SMBJ4729A/TR13 has an operating temperature range of -55°C to 150°C.

  7. Is the SMBJ4729A/TR13 RoHS compliant?

    • Yes, the SMBJ4729A/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What package type does the SMBJ4729A/TR13 come in?

    • The SMBJ4729A/TR13 is available in a surface mount DO-214AA (SMB) package.

  9. What standards does the SMBJ4729A/TR13 comply with?

    • The SMBJ4729A/TR13 complies with industry standards such as IEC 61000-4-2 for electrostatic discharge (ESD) protection.

  10. Can the SMBJ4729A/TR13 be used for overvoltage protection in automotive applications?

    • Yes, the SMBJ4729A/TR13 is suitable for overvoltage protection in automotive applications due to its high surge capability and reliability.