Vishay Semiconductor Diodes Division
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SMC3K43CAHM3/57
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SMC3K43CAHM3/57

Introduction

The SMC3K43CAHM3/57 is a semiconductor product belonging to the category of transient voltage suppressors (TVS). This device is designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The following entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMC3K43CAHM3/57.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS)
  • Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: SMC (DO-214AB)
  • Essence: Semiconductor device for voltage transient suppression
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Peak Power Dissipation: 3000W
  • Breakdown Voltage: 43V
  • Clamping Voltage: 77.4V at 10A
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMC3K43CAHM3/57 follows the standard SMC (DO-214AB) package configuration with two leads.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive electronic components.
  • Fast Response Time: Rapidly responds to transient voltage events to minimize potential damage to connected equipment.

Advantages and Disadvantages

Advantages

  • High surge capability
  • Low clamping voltage
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Relatively high breakdown voltage may not be suitable for low-voltage applications

Working Principles

The SMC3K43CAHM3/57 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its breakdown voltage, thereby protecting downstream electronic components.

Detailed Application Field Plans

The SMC3K43CAHM3/57 is commonly used in various applications, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMCJ43A: Similar characteristics with higher peak power dissipation
  • P6SMB43A: Lower profile package with comparable performance

In conclusion, the SMC3K43CAHM3/57 is a reliable transient voltage suppressor with high surge capability, fast response time, and wide operating temperature range, making it suitable for diverse electronic applications.

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تکنیکی حل میں SMC3K43CAHM3/57 کے اطلاق سے متعلق 10 عام سوالات اور جوابات کی فہرست بنائیں

  1. What is SMC3K43CAHM3/57?

    • SMC3K43CAHM3/57 is a high-performance TVS (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 SMC3K43CAHM3/57?

    • The maximum peak pulse power of SMC3K43CAHM3/57 is 3000 watts for a 10/1000μs waveform.

  3. What is the breakdown voltage of SMC3K43CAHM3/57?

    • The breakdown voltage of SMC3K43CAHM3/57 is 43 volts.

  4. What are the typical applications of SMC3K43CAHM3/57?

    • SMC3K43CAHM3/57 is commonly used in surge protection for telecommunications equipment, Ethernet networks, industrial control systems, and other sensitive electronics.

  5. What is the operating temperature range of SMC3K43CAHM3/57?

    • The operating temperature range of SMC3K43CAHM3/57 is -55°C to +150°C.

  6. Does SMC3K43CAHM3/57 meet any specific industry standards?

    • Yes, SMC3K43CAHM3/57 complies with the industry standard IEC 61000-4-5 for surge protection devices.

  7. Can SMC3K43CAHM3/57 be used in outdoor applications?

    • Yes, SMC3K43CAHM3/57 is suitable for outdoor applications due to its robust construction and high surge handling capability.

  8. What is the packaging type of SMC3K43CAHM3/57?

    • SMC3K43CAHM3/57 is available in a surface mount package.

  9. Is SMC3K43CAHM3/57 RoHS compliant?

    • Yes, SMC3K43CAHM3/57 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. What are the key advantages of using SMC3K43CAHM3/57 in technical solutions?

    • SMC3K43CAHM3/57 offers low clamping voltage, fast response time, and high surge current capability, making it an effective solution for protecting sensitive electronics from transient voltage events.