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SMAJ4492CE3/TR13
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SMAJ4492CE3/TR13

Product Overview

Category

The SMAJ4492CE3/TR13 belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor (TVS) diode.

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

Package

The SMAJ4492CE3/TR13 is typically available in a surface mount package, such as SMB or SMC.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

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

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage Range: 440V to 484V
  • Operating Temperature Range: -55°C to 150°C
  • RoHS compliant

Detailed Pin Configuration

The SMAJ4492CE3/TR13 typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

  • Bi-directional clamping capability
  • Low leakage current
  • ESD protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

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

Working Principles

When a transient voltage event occurs, the TVS diode conducts current to divert the excess energy away from the protected components, thus limiting the voltage across the circuit.

Detailed Application Field Plans

The SMAJ4492CE3/TR13 is commonly used in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE440CA
  • 1.5SMC440CA
  • SMCJ440A

In conclusion, the SMAJ4492CE3/TR13 is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and bi-directional clamping capabilities. While it has limitations in power dissipation, it remains a popular choice for safeguarding sensitive electronics in diverse applications.

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技術ソリューションにおける SMAJ4492CE3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SMAJ4492CE3/TR13?

    • SMAJ4492CE3/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 SMAJ4492CE3/TR13?

    • The maximum clamping voltage of SMAJ4492CE3/TR13 is 77.4V at 10A.

  3. What is the peak pulse power dissipation of SMAJ4492CE3/TR13?

    • The peak pulse power dissipation of SMAJ4492CE3/TR13 is 400W for an 8/20µs waveform.

  4. What are the typical applications of SMAJ4492CE3/TR13?

    • SMAJ4492CE3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage surges and ESD events.

  5. What is the operating temperature range of SMAJ4492CE3/TR13?

    • The operating temperature range of SMAJ4492CE3/TR13 is -55°C to +150°C.

  6. What is the reverse stand-off voltage of SMAJ4492CE3/TR13?

    • The reverse stand-off voltage of SMAJ4492CE3/TR13 is 440V.

  7. Does SMAJ4492CE3/TR13 meet industry standards for surge protection?

    • Yes, SMAJ4492CE3/TR13 complies with industry standards such as IEC 61000-4-2 (ESD) and IEC 61000-4-5 (surge).

  8. Can SMAJ4492CE3/TR13 be used for overvoltage protection in power supply circuits?

    • Yes, SMAJ4492CE3/TR13 is suitable for providing overvoltage protection in power supply circuits and can help safeguard sensitive components.

  9. What is the package type of SMAJ4492CE3/TR13?

    • SMAJ4492CE3/TR13 comes in a DO-214AC (SMA) package, which is a popular choice for surface mount applications.

  10. Is SMAJ4492CE3/TR13 RoHS compliant?

    • Yes, SMAJ4492CE3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.