Littelfuse Inc.
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SMBJ30A-HRA
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SMBJ30A-HRA

Product Overview

Category

The SMBJ30A-HRA 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 SMBJ30A-HRA is available in a surface mount package.

Essence

The essence of the SMBJ30A-HRA lies in its ability to provide robust protection against transient voltage events, thereby safeguarding electronic circuits and components.

Packaging/Quantity

The SMBJ30A-HRA is typically packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 600W
  • Breakdown Voltage: 30V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMBJ30A-HRA typically features two pins for surface mount installation. The pin configuration includes the anode and cathode connections, which are essential for proper installation and functionality.

Functional Features

  • Fast response to transient voltage events
  • Low clamping voltage to limit the voltage across the protected circuit
  • High surge current handling capability

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Fast response time
  • Compact surface mount package

Disadvantages

  • Limited breakdown voltage compared to higher voltage TVS diodes
  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMBJ30A-HRA operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit, limiting the voltage across it.

Detailed Application Field Plans

The SMBJ30A-HRA finds application in various electronic systems, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ28A-HRA: Similar characteristics with a slightly lower breakdown voltage of 28V.
  • SMBJ33A-HRA: Higher breakdown voltage of 33V while maintaining similar characteristics.

In conclusion, the SMBJ30A-HRA serves as a crucial component in protecting electronic systems from transient voltage events, offering fast response and effective clamping. Its compact design and high surge current capability make it suitable for a wide range of applications, although users should consider its limitations in terms of breakdown voltage when selecting alternative models.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ30A-HRA en soluciones técnicas

  1. What is the SMBJ30A-HRA?

    • The SMBJ30A-HRA is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum voltage rating of the SMBJ30A-HRA?

    • The SMBJ30A-HRA has a maximum peak pulse voltage rating of 30V.

  3. What is the typical application of the SMBJ30A-HRA?

    • The SMBJ30A-HRA is commonly used in electronic circuits to protect against voltage surges caused by events such as lightning strikes, ESD (electrostatic discharge), and switching transients.

  4. What is the maximum clamping voltage of the SMBJ30A-HRA?

    • The SMBJ30A-HRA has a maximum clamping voltage of 48.4V at 15.4A.

  5. What is the power dissipation capability of the SMBJ30A-HRA?

    • The SMBJ30A-HRA has a power dissipation capability of 600W.

  6. What are the key features of the SMBJ30A-HRA?

    • The SMBJ30A-HRA features low clamping voltage, fast response time, and high surge current capability.

  7. How does the SMBJ30A-HRA compare to other similar devices?

    • Compared to other transient voltage suppressor diodes, the SMBJ30A-HRA offers lower clamping voltage and higher surge current capability, making it suitable for more demanding applications.

  8. Can the SMBJ30A-HRA be used in automotive applications?

    • Yes, the SMBJ30A-HRA is suitable for use in automotive electronics to protect against voltage transients and surges.

  9. What are the temperature specifications of the SMBJ30A-HRA?

    • The SMBJ30A-HRA has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  10. Are there any recommended layout considerations when using the SMBJ30A-HRA?

    • It is recommended to minimize the length and area of the traces connecting the SMBJ30A-HRA to the circuit to reduce parasitic inductance and ensure optimal performance.