Microsemi Corporation
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SMAJ4732E3/TR13
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SMAJ4732E3/TR13

Product Overview

Category

SMAJ4732E3/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 Clamping Voltage: Ensures minimal stress on protected circuits.

Package

The SMAJ4732E3/TR13 is available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ4732E3/TR13 lies in its ability to safeguard electronic circuits from transient voltage events, thereby enhancing the reliability and longevity of electronic devices.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 43.2V
  • Breakdown Voltage: 47.8V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliance: Yes

Detailed Pin Configuration

The SMAJ4732E3/TR13 features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Quickly clamps transient voltages to protect downstream components.
  • Low Clamping Voltage: Limits the voltage across the protected circuit to minimize potential damage.
  • Fast Response Time: Reacts swiftly to transient events, ensuring minimal disruption to the system.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact form factor

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

SMAJ4732E3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

SMAJ4732E3/TR13 finds application in various fields, including: - Consumer electronics - Telecommunications equipment - Industrial automation - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

  • P6KE43CA: Similar TVS diode with a different package type
  • 1.5KE47A: Higher power TVS diode with similar voltage ratings
  • SMBJ47CA: Surface-mount TVS diode with comparable characteristics

In conclusion, SMAJ4732E3/TR13 is a vital component in safeguarding electronic systems from transient voltage events, offering fast and effective protection in a compact form factor.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4732E3/TR13 en soluciones técnicas

  1. What is SMAJ4732E3/TR13?

    • SMAJ4732E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum clamping voltage of SMAJ4732E3/TR13?

    • The maximum clamping voltage of SMAJ4732E3/TR13 is 77.4V at 10A.

  3. What is the peak pulse power dissipation of SMAJ4732E3/TR13?

    • The peak pulse power dissipation of SMAJ4732E3/TR13 is 400W for an 8/20µs waveform.

  4. What are the typical applications of SMAJ4732E3/TR13?

    • SMAJ4732E3/TR13 is commonly used in applications such as telecommunications equipment, computers, industrial and consumer electronics, and automotive systems to protect against voltage transients.

  5. What is the operating temperature range of SMAJ4732E3/TR13?

    • The operating temperature range of SMAJ4732E3/TR13 is -55°C to +150°C.

  6. What is the reverse stand-off voltage of SMAJ4732E3/TR13?

    • The reverse stand-off voltage of SMAJ4732E3/TR13 is 43.6V.

  7. Does SMAJ4732E3/TR13 meet RoHS compliance?

    • Yes, SMAJ4732E3/TR13 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the package type of SMAJ4732E3/TR13?

    • SMAJ4732E3/TR13 is available in a DO-214AC (SMA) package.

  9. What are the key features of SMAJ4732E3/TR13?

    • Some key features of SMAJ4732E3/TR13 include low clamping voltage, fast response time, and high surge capability.

  10. Is SMAJ4732E3/TR13 suitable for overvoltage protection in power supply circuits?

    • Yes, SMAJ4732E3/TR13 is suitable for providing overvoltage protection in power supply circuits due to its high surge capability and low clamping voltage.