Microsemi Corporation
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SMAJ4731CE3/TR13
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SMAJ4731CE3/TR13

Product Overview

Category

The SMAJ4731CE3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

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

Characteristics

  • Voltage Suppression: Provides protection against voltage spikes and surges.
  • Fast Response Time: Rapidly clamps transient voltages to a safe level.
  • Low Leakage Current: Minimizes power consumption during normal operation.
  • Compact Package: Small form factor for easy integration into circuit designs.

Package

The SMAJ4731CE3/TR13 is typically available in a surface mount package.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from damage caused by transient voltage events.

Packaging/Quantity

The product is usually packaged in reels or tape and reel format, with varying quantities per package depending on the supplier.

Specifications

  • Part Number: SMAJ4731CE3/TR13
  • Standoff Voltage: 43.2V
  • Breakdown Voltage: 47.8V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ4731CE3/TR13 follows the standard pin configuration for DO-214AC packages, with two leads for connection to the circuit.

Functional Features

  • Transient Voltage Suppression: Clamps transient voltages to protect downstream components.
  • Bidirectional Protection: Offers protection for both positive and negative voltage transients.
  • Low Clamping Voltage: Ensures that the protected circuit operates within safe voltage limits.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients.
  • Fast response time.
  • Compact form factor for space-constrained designs.

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes.
  • May require additional circuitry for handling high-energy transient events.

Working Principles

The SMAJ4731CE3/TR13 operates by diverting excessive transient currents away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

This TVS diode is commonly used in various applications, including: - Consumer Electronics: Protection of USB ports, HDMI interfaces, and audio/video equipment. - Telecommunications: Safeguarding communication interfaces and network equipment. - Automotive Electronics: Protection of automotive control units and infotainment systems. - Industrial Equipment: Shielding industrial control systems and sensor interfaces from voltage transients.

Detailed and Complete Alternative Models

  • P6KE51CA: Similar TVS diode with higher peak pulse power rating.
  • SMBJ4731A: Alternative TVS diode with a different package type and form factor.
  • 1.5KE33CA: TVS diode with a higher standoff voltage for increased protection levels.

In conclusion, the SMAJ4731CE3/TR13 TVS diode offers effective transient voltage suppression in a compact package, making it suitable for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4731CE3/TR13 en soluciones técnicas

  1. What is SMAJ4731CE3/TR13?

    • SMAJ4731CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum peak pulse power of SMAJ4731CE3/TR13?

    • The maximum peak pulse power of SMAJ4731CE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4731CE3/TR13?

    • The breakdown voltage of SMAJ4731CE3/TR13 is 43.2 volts.

  4. What are the typical applications of SMAJ4731CE3/TR13?

    • SMAJ4731CE3/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 operating temperature range of SMAJ4731CE3/TR13?

    • The operating temperature range of SMAJ4731CE3/TR13 is -55°C to +150°C.

  6. What is the reverse stand-off voltage of SMAJ4731CE3/TR13?

    • The reverse stand-off voltage of SMAJ4731CE3/TR13 is 43.1 volts.

  7. Does SMAJ4731CE3/TR13 meet any industry standards?

    • Yes, SMAJ4731CE3/TR13 complies with the industry-standard JEDEC registered package outline.

  8. Can SMAJ4731CE3/TR13 be used for ESD protection?

    • Yes, SMAJ4731CE3/TR13 can be used for electrostatic discharge (ESD) protection in electronic circuits.

  9. What is the response time of SMAJ4731CE3/TR13?

    • The response time of SMAJ4731CE3/TR13 is very fast, typically responding within nanoseconds to clamp transient voltages.

  10. Is SMAJ4731CE3/TR13 RoHS compliant?

    • Yes, SMAJ4731CE3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for use in environmentally friendly products.