Vishay Semiconductor Diodes Division
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SMCJ43HE3/57T
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SMCJ43HE3/57T - Product Overview and Analysis

Introduction

The SMCJ43HE3/57T is a crucial component in the field of electronics, offering a range of features and applications. This entry will provide an in-depth analysis of this product, covering its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Voltage Suppression
  • Characteristics: High power capability, fast response time, low incremental surge resistance, and excellent clamping capability
  • Package: SMC (DO-214AB)
  • Essence: Transient Voltage Suppressor (TVS) Diode
  • Packaging/Quantity: Tape & Reel (1500 units)

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage Range: 37.1V to 40.9V
  • Operating Temperature Range: -55°C to +150°C
  • Reverse Standoff Voltage: 43V
  • Forward Voltage: 3.5V at 100A

Detailed Pin Configuration

The SMCJ43HE3/57T follows the standard SMC package configuration with two leads for connection. The pinout is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Voltage Suppression: Protects sensitive electronic components from voltage transients.
  • Fast Response Time: Rapid reaction to transient voltage spikes.
  • Clamping Capability: Limits the peak voltage during transient events.

Advantages and Disadvantages

Advantages

  • High power capability ensures robust protection.
  • Fast response time guards against rapid voltage changes.
  • Low incremental surge resistance minimizes power dissipation.

Disadvantages

  • Limited breakdown voltage range compared to some alternatives.
  • Relatively high forward voltage at high currents.

Working Principles

The SMCJ43HE3/57T operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting excess current away from sensitive components and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ43HE3/57T finds extensive use in various applications, including: - Power Supplies - Telecommunication Equipment - Automotive Electronics - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

Several alternative models to the SMCJ43HE3/57T include: - P6KE39CA - 1.5SMC43CA - SMBJ43CA - SMAJ43CA

In conclusion, the SMCJ43HE3/57T plays a vital role in safeguarding electronic circuits from transient voltage events. Its high power capability, fast response time, and clamping capability make it a valuable component in diverse applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMCJ43HE3/57T v technických řešeních

  1. What is the SMCJ43HE3/57T?

    • The SMCJ43HE3/57T 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 current of the SMCJ43HE3/57T?

    • The maximum peak pulse current for the SMCJ43HE3/57T is 300A.

  3. What is the breakdown voltage of the SMCJ43HE3/57T?

    • The breakdown voltage of the SMCJ43HE3/57T is 43V.

  4. What are the typical applications for the SMCJ43HE3/57T?

    • The SMCJ43HE3/57T is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of the SMCJ43HE3/57T?

    • The response time of the SMCJ43HE3/57T is very fast, typically responding within nanoseconds to clamp transient voltages.

  6. What is the power dissipation of the SMCJ43HE3/57T?

    • The power dissipation of the SMCJ43HE3/57T is 1500W.

  7. Is the SMCJ43HE3/57T RoHS compliant?

    • Yes, the SMCJ43HE3/57T is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. Can the SMCJ43HE3/57T be used for ESD protection?

    • Yes, the SMCJ43HE3/57T can be used for electrostatic discharge (ESD) protection in various electronic devices and circuits.

  9. What is the operating temperature range of the SMCJ43HE3/57T?

    • The SMCJ43HE3/57T has an operating temperature range of -55°C to 150°C, making it suitable for a wide range of environments.

  10. Does the SMCJ43HE3/57T require any special mounting considerations?

    • The SMCJ43HE3/57T should be mounted on a heat sink or thermal pad to ensure proper heat dissipation during high-energy transient events.