Vishay Semiconductor Diodes Division
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SMCJ43A-M3/57T
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SMCJ43A-M3/57T

Introduction

The SMCJ43A-M3/57T is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMCJ43A-M3/57T diode offers unique characteristics, packaging, and functional features that make it suitable for various applications.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: SMC (DO-214AB)
  • Essence: Safeguarding electronic components from voltage surges
  • Packaging/Quantity: Available in tape and reel packaging with quantities varying by manufacturer

Specifications

  • Voltage - Breakdown: 43V
  • Power (Watts): 1.5W
  • Polarity: Unidirectional
  • Operating Temperature: -55°C to 150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AB (SMC)

Detailed Pin Configuration

The SMCJ43A-M3/57T diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Fast Response Time: Rapid reaction to voltage spikes
  • Low Clamping Voltage: Limits the voltage across the protected circuit
  • High Surge Current Capability: Ability to handle large transient currents

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Compact surface mount package
  • High surge current handling capability

Disadvantages

  • Unidirectional protection only
  • Limited power dissipation capability

Working Principles

The SMCJ43A-M3/57T operates by diverting excessive voltage and current away from sensitive electronic components during transient events. When the voltage exceeds the breakdown voltage, the diode conducts and clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMCJ43A-M3/57T diode finds application in various fields including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ43A-M3/57T diode include: - P6SMB43A - 1.5SMC43A - SMBJ43A

In conclusion, the SMCJ43A-M3/57T transient voltage suppressor diode offers effective protection against voltage spikes and transients in a compact surface mount package. Its fast response time, low clamping voltage, and high surge current capability make it suitable for a wide range of applications in various industries.

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技術ソリューションにおける SMCJ43A-M3/57T 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 the maximum peak pulse power dissipation of SMCJ43A-M3/57T?

    • The maximum peak pulse power dissipation of SMCJ43A-M3/57T is 1500 watts.

  2. What is the breakdown voltage of SMCJ43A-M3/57T?

    • The breakdown voltage of SMCJ43A-M3/57T is typically 47.8 volts.

  3. What is the operating temperature range for SMCJ43A-M3/57T?

    • The operating temperature range for SMCJ43A-M3/57T is -55°C to +150°C.

  4. What is the reverse stand-off voltage of SMCJ43A-M3/57T?

    • The reverse stand-off voltage of SMCJ43A-M3/57T is 43 volts.

  5. What are the typical applications for SMCJ43A-M3/57T?

    • SMCJ43A-M3/57T is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and power supplies.

  6. What is the response time of SMCJ43A-M3/57T?

    • The response time of SMCJ43A-M3/57T is very fast, typically responding within nanoseconds to transient voltage surges.

  7. Does SMCJ43A-M3/57T require a heat sink for proper operation?

    • SMCJ43A-M3/57T does not typically require a heat sink for normal operation, but it may benefit from one in high-power or high-frequency applications.

  8. Is SMCJ43A-M3/57T RoHS compliant?

    • Yes, SMCJ43A-M3/57T is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  9. What is the package type of SMCJ43A-M3/57T?

    • SMCJ43A-M3/57T is packaged in a surface mount SMC (DO-214AB) package.

  10. Can SMCJ43A-M3/57T be used for overvoltage protection in automotive applications?

    • Yes, SMCJ43A-M3/57T can be used for overvoltage protection in automotive applications, such as protecting sensitive electronic components in vehicles from voltage transients.