Vishay Semiconductor Diodes Division
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SMBJ43AHE3/52
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SMBJ43AHE3/52

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: Transient voltage suppressor diode, 600W peak pulse power capability, low clamping voltage, fast response time
  • Package: DO-214AB (SMC)
  • Essence: Protects sensitive electronic devices from voltage spikes
  • Packaging/Quantity: Tape & Reel, 1800 units per reel

Specifications

  • Peak Power Dissipation: 600W
  • Breakdown Voltage: 43V
  • Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ43AHE3/52 diode has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

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

Advantages

  • High peak pulse power capability
  • Compact DO-214AB package for space-constrained applications
  • Wide operating temperature range

Disadvantages

  • Relatively high clamping voltage compared to some alternative models
  • Limited breakdown voltage compared to higher-rated diodes

Working Principles

The SMBJ43AHE3/52 operates by diverting excess transient voltage away from sensitive components, thereby protecting them from damage. When a voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be dissipated as heat.

Detailed Application Field Plans

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

Detailed and Complete Alternative Models

  • SMBJ5.0A: Lower breakdown voltage (5V) for less demanding applications
  • SMBJ78A: Higher breakdown voltage (78V) for increased protection in higher voltage systems
  • SMBJ120A: Higher breakdown voltage (120V) for even greater protection in industrial applications

Note: The above alternative models are part of the same series and offer varying breakdown voltages.

This information provides a comprehensive overview of the SMBJ43AHE3/52 diode, including its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBJ43AHE3/52 i tekniska lösningar

  1. What is the SMBJ43AHE3/52?

    • The SMBJ43AHE3/52 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of the SMBJ43AHE3/52?

    • The maximum peak pulse power of the SMBJ43AHE3/52 is 600 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of the SMBJ43AHE3/52?

    • The breakdown voltage of the SMBJ43AHE3/52 is 43 volts.

  4. What are the typical applications for the SMBJ43AHE3/52?

    • Typical applications for the SMBJ43AHE3/52 include protection of telecommunications equipment, computers, industrial and consumer electronics, and automotive systems.

  5. What is the operating temperature range of the SMBJ43AHE3/52?

    • The operating temperature range of the SMBJ43AHE3/52 is -55°C to +150°C.

  6. What is the peak pulse current rating of the SMBJ43AHE3/52?

    • The peak pulse current rating of the SMBJ43AHE3/52 is 30.5A.

  7. Does the SMBJ43AHE3/52 meet any specific industry standards?

    • Yes, the SMBJ43AHE3/52 meets the requirements of various industry standards such as IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge).

  8. What is the package type of the SMBJ43AHE3/52?

    • The SMBJ43AHE3/52 comes in a DO-214AA (SMB) package.

  9. Can the SMBJ43AHE3/52 be used for overvoltage protection in automotive applications?

    • Yes, the SMBJ43AHE3/52 is suitable for overvoltage protection in automotive systems.

  10. Is the SMBJ43AHE3/52 RoHS compliant?

    • Yes, the SMBJ43AHE3/52 is RoHS compliant, making it suitable for use in environmentally sensitive applications.