Microsemi Corporation
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SMAJ4746E3/TR13
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SMAJ4746E3/TR13

Product Overview

Category

SMAJ4746E3/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.
  • Compact Package: Small form factor for easy integration into circuit designs.

Package

The SMAJ4746E3/TR13 is typically available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ4746E3/TR13 lies in its ability to safeguard electronic devices from voltage transients, thereby enhancing their reliability and longevity.

Packaging/Quantity

It is commonly packaged in reels or tape and reel format, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 51.7V
  • Clamping Voltage: 82.4V
  • Operating Temperature Range: -55°C to 150°C
  • Polarity: Unidirectional

Detailed Pin Configuration

The SMAJ4746E3/TR13 typically features two pins in a standard DO-214AC (SMA) package configuration.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response: Rapid reaction time to transient events ensures minimal impact on the system.
  • Reliable Performance: Consistent and reliable protection against voltage surges.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to unidirectional protection
  • Clamping voltage may be higher than some alternative models

Working Principles

SMAJ4746E3/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

SMAJ4746E3/TR13 finds application in various fields, including: - Consumer electronics - Telecommunications equipment - Industrial automation - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to SMAJ4746E3/TR13 include: - P6KE51CA - 1.5KE51A - SMBJ51A

In conclusion, SMAJ4746E3/TR13 is a vital component in safeguarding electronic systems from transient voltage events, offering fast and reliable protection in a compact form factor.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ4746E3/TR13 en soluciones técnicas

  1. What is the maximum reverse voltage of SMAJ4746E3/TR13?

    • The maximum reverse voltage of SMAJ4746E3/TR13 is 58.1V.

  2. What is the typical junction capacitance of SMAJ4746E3/TR13?

    • The typical junction capacitance of SMAJ4746E3/TR13 is 110pF.

  3. What is the peak pulse power dissipation of SMAJ4746E3/TR13?

    • The peak pulse power dissipation of SMAJ4746E3/TR13 is 400W.

  4. What is the operating temperature range of SMAJ4746E3/TR13?

    • The operating temperature range of SMAJ4746E3/TR13 is -55°C to +150°C.

  5. What are the typical applications for SMAJ4746E3/TR13?

    • SMAJ4746E3/TR13 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  6. What is the breakdown voltage of SMAJ4746E3/TR13?

    • The breakdown voltage of SMAJ4746E3/TR13 is 52.2V.

  7. Does SMAJ4746E3/TR13 have a low leakage current?

    • Yes, SMAJ4746E3/TR13 has a low leakage current, making it suitable for use in high-speed data line protection applications.

  8. Is SMAJ4746E3/TR13 RoHS compliant?

    • Yes, SMAJ4746E3/TR13 is RoHS compliant, meeting environmental standards.

  9. Can SMAJ4746E3/TR13 be used for ESD protection?

    • Yes, SMAJ4746E3/TR13 can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  10. What package type does SMAJ4746E3/TR13 come in?

    • SMAJ4746E3/TR13 is available in a DO-214AC (SMA) package type, which is a surface mount package.