Vishay Semiconductor Diodes Division
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SMBJ43HE3/52
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SMBJ43HE3/52

Product Overview

  • Category: Electronics
  • Use: Voltage suppressor diode
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-214AB (SMC)
  • Essence: Protecting electronic circuits from voltage transients
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 600 Watts
  • Breakdown Voltage: 43V
  • Clamping Voltage: 77.4V at 1A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ43HE3/52 has two pins in a standard DO-214AB package.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to protected circuits
  • Low clamping voltage limits stress on sensitive components

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • Compact SMC package

Disadvantages

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

Working Principles

The SMBJ43HE3/52 operates by diverting excess voltage away from sensitive components when a transient event occurs. It rapidly clamps the voltage to a safe level, protecting the circuit from damage.

Detailed Application Field Plans

This diode is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMBJ5.0A: 5.0V breakdown voltage
  • SMBJ15CA: 15V breakdown voltage
  • SMBJ33A: 33V breakdown voltage
  • SMBJ64A: 64V breakdown voltage

This provides a range of options for different voltage protection requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMBJ43HE3/52 en soluciones técnicas

  1. What is the SMBJ43HE3/52?

    • The SMBJ43HE3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMBJ43HE3/52?

    • The maximum peak pulse power of the SMBJ43HE3/52 is 600 watts.

  3. What is the breakdown voltage of the SMBJ43HE3/52?

    • The breakdown voltage of the SMBJ43HE3/52 is 43 volts.

  4. What are the typical applications of the SMBJ43HE3/52?

    • The SMBJ43HE3/52 is commonly used in applications such as telecommunications equipment, industrial automation, power supplies, and consumer electronics to protect against voltage transients.

  5. What is the operating temperature range of the SMBJ43HE3/52?

    • The SMBJ43HE3/52 has an operating temperature range of -55°C to 150°C.

  6. What is the clamping voltage of the SMBJ43HE3/52?

    • The clamping voltage of the SMBJ43HE3/52 at its peak pulse current is typically 69.4 volts.

  7. Is the SMBJ43HE3/52 RoHS compliant?

    • Yes, the SMBJ43HE3/52 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of the SMBJ43HE3/52?

    • The SMBJ43HE3/52 is available in a DO-214AA (SMB) package.

  9. What are the key features of the SMBJ43HE3/52?

    • The key features of the SMBJ43HE3/52 include low profile, fast response time, and high surge capability.

  10. What are some recommended layout and assembly guidelines for using the SMBJ43HE3/52 in a circuit?

    • It is recommended to place the SMBJ43HE3/52 as close as possible to the protected circuitry, minimize the length of the traces connecting the diode to the circuit, and ensure proper thermal management to maximize its effectiveness.