Vishay Semiconductor Diodes Division
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SMCJ78A-M3/9AT
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SMCJ78A-M3/9AT: Product Overview and Analysis

Introduction

The SMCJ78A-M3/9AT is a crucial component in the field of electronic devices, offering essential protection against transient voltage surges. This entry will provide a comprehensive overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Transient Voltage Suppression
  • Characteristics: High Surge Capability, Low Clamping Voltage, Fast Response Time
  • Package: DO-214AB (SMC)
  • Essence: Protection against Transient Voltage Surges
  • Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 78V
  • Clamping Voltage: 126V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ78A-M3/9AT follows the standard DO-214AB (SMC) package configuration, with two leads for connection.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage, protecting sensitive electronic components.
  • Fast Response Time: Rapid reaction to voltage surges ensures minimal impact on the connected circuitry.

Advantages and Disadvantages

Advantages

  • High surge capability
  • Low clamping voltage
  • Fast response time

Disadvantages

  • Limited breakdown voltage range
  • Relatively high operating temperature range

Working Principles

The SMCJ78A-M3/9AT operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from the protected circuit when a voltage surge occurs. This prevents damage to the connected electronic devices.

Detailed Application Field Plans

The SMCJ78A-M3/9AT finds extensive use in various applications, including: - Power Supplies - Telecommunication Equipment - Automotive Electronics - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

For users seeking alternatives to the SMCJ78A-M3/9AT, several comparable options are available, including: - P6SMB78CA - 1.5SMC78CA - SMBJ78A

In conclusion, the SMCJ78A-M3/9AT plays a critical role in safeguarding electronic devices from transient voltage surges, offering high surge capability, low clamping voltage, and fast response time. Its application spans across diverse industries, making it an indispensable component in modern electronic systems.

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Énumérez 10 questions et réponses courantes liées à l'application de SMCJ78A-M3/9AT dans les solutions techniques

  1. What is the maximum peak pulse power of SMCJ78A-M3/9AT?

    • The maximum peak pulse power of SMCJ78A-M3/9AT is 1500 watts.

  2. What is the breakdown voltage of SMCJ78A-M3/9AT?

    • The breakdown voltage of SMCJ78A-M3/9AT is typically 86.7V.

  3. What is the operating temperature range for SMCJ78A-M3/9AT?

    • SMCJ78A-M3/9AT has an operating temperature range of -55°C to +150°C.

  4. What are the typical applications for SMCJ78A-M3/9AT?

    • SMCJ78A-M3/9AT is commonly used in surge protection for telecommunications equipment, industrial and consumer electronics, and automotive systems.

  5. What is the reverse stand-off voltage of SMCJ78A-M3/9AT?

    • The reverse stand-off voltage of SMCJ78A-M3/9AT is 78V.

  6. Does SMCJ78A-M3/9AT have a low leakage current?

    • Yes, SMCJ78A-M3/9AT features a low leakage current, making it suitable for sensitive electronic applications.

  7. Is SMCJ78A-M3/9AT RoHS compliant?

    • Yes, SMCJ78A-M3/9AT is RoHS compliant, meeting environmental standards.

  8. What is the response time of SMCJ78A-M3/9AT?

    • The response time of SMCJ78A-M3/9AT is very fast, providing rapid protection against transient overvoltage events.

  9. Can SMCJ78A-M3/9AT be used in high-speed data line protection?

    • Yes, SMCJ78A-M3/9AT is suitable for high-speed data line protection due to its fast response time and low capacitance.

  10. What package type does SMCJ78A-M3/9AT come in?

    • SMCJ78A-M3/9AT is available in a surface mount DO-214AB (SMC) package.