Microsemi Corporation
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SMBJ4738AE3/TR13
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SMBJ4738AE3/TR13

Product Overview

Category

The SMBJ4738AE3/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

Package

The SMBJ4738AE3/TR13 is available in a surface mount DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide robust protection for electronic circuits against transient voltage events.

Packaging/Quantity

The SMBJ4738AE3/TR13 is typically packaged in reels with a quantity of 3000 units per reel.

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 SMBJ4738AE3/TR13 has two pins, with the cathode connected to the ground and the anode connected to the protected circuit.

Functional Features

  • Bi-directional TVS diode
  • Low incremental surge resistance
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Fast response time protects sensitive components
  • Low clamping voltage ensures minimal impact on the protected circuit
  • High surge current capability for robust protection

Disadvantages

  • May require additional circuitry for comprehensive transient protection in complex systems
  • Sensitive to reverse bias conditions if not properly implemented

Working Principles

When a transient voltage event occurs, the SMBJ4738AE3/TR13 conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The SMBJ4738AE3/TR13 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ Series: SMBJ5.0A, SMBJ10A, SMBJ15A
  • P6SMB Series: P6SMB36CA, P6SMB120A, P6SMB200CA
  • SMAJ Series: SMAJ24A, SMAJ58A, SMAJ130A

In conclusion, the SMBJ4738AE3/TR13 is a vital component in protecting electronic circuits from transient voltage events, offering fast response times and low clamping voltages. Its application spans across various industries, making it an essential part of modern electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMBJ4738AE3/TR13 v technických řešeních

  1. What is the SMBJ4738AE3/TR13?

    • The SMBJ4738AE3/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 SMBJ4738AE3/TR13?

    • The maximum working voltage of the SMBJ4738AE3/TR13 is 473 volts.

  3. What is the peak pulse power dissipation of the SMBJ4738AE3/TR13?

    • The peak pulse power dissipation of the SMBJ4738AE3/TR13 is 600 watts.

  4. What are the typical applications of the SMBJ4738AE3/TR13?

    • The SMBJ4738AE3/TR13 is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the clamping voltage of the SMBJ4738AE3/TR13?

    • The clamping voltage of the SMBJ4738AE3/TR13 is 775 volts.

  6. What is the operating temperature range of the SMBJ4738AE3/TR13?

    • The SMBJ4738AE3/TR13 has an operating temperature range of -55°C to 150°C.

  7. Is the SMBJ4738AE3/TR13 RoHS compliant?

    • Yes, the SMBJ4738AE3/TR13 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  8. What is the package type of the SMBJ4738AE3/TR13?

    • The SMBJ4738AE3/TR13 is available in a surface mount DO-214AA (SMB) package.

  9. Does the SMBJ4738AE3/TR13 require any external components for proper operation?

    • No, the SMBJ4738AE3/TR13 does not require any external components for its basic operation as a transient voltage suppressor.

  10. What are the key specifications to consider when integrating the SMBJ4738AE3/TR13 into a design?

    • Key specifications to consider include breakdown voltage, peak pulse power dissipation, clamping voltage, and operating temperature range.