Taiwan Semiconductor Corporation
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SMF78AHRVG
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SMF78AHRVG Product Overview

Introduction

The SMF78AHRVG is a high-performance electronic component designed for use in various electronic devices. This entry provides a comprehensive overview of the product, including 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: Protection against transient voltage events
  • Characteristics: High surge capability, low clamping voltage, compact size
  • Package: SOD-123FL
  • Essence: Transient Voltage Suppressor (TVS) Diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage Range: 78V
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF78AHRVG features a standard SOD-123FL package with two pins. Pin 1 is the anode, and pin 2 is the cathode.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients and surges.
  • Fast Response Time: Rapidly clamps transient voltages to safe levels.
  • Low Clamping Voltage: Ensures minimal stress on protected circuits.

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • Compact size

Disadvantages

  • Limited breakdown voltage range
  • Requires proper circuit design for optimal performance

Working Principles

The SMF78AHRVG operates by diverting excessive transient current away from sensitive electronic components, thereby safeguarding them from damage caused by voltage spikes or surges. When a transient event occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMF78AHRVG is widely used in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

For applications requiring different breakdown voltage ranges or package types, alternative models to consider include: - SMF5.0A: 5.0V breakdown voltage, SMA package - SMF15CA: 15V breakdown voltage, SMC package - SMF30A: 30V breakdown voltage, SMB package - SMF150A: 150V breakdown voltage, DO-214AA package

In conclusion, the SMF78AHRVG offers robust transient voltage suppression capabilities in a compact form factor, making it an ideal choice for protecting sensitive electronic circuits from voltage transients and surges.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMF78AHRVG v technických řešeních

  1. What is SMF78AHRVG?

    • SMF78AHRVG is a surface mount TVS diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events.

  2. What are the key features of SMF78AHRVG?

    • The key features include a low clamping voltage, high surge capability, and a small form factor for easy integration into circuit designs.

  3. What is the maximum working voltage of SMF78AHRVG?

    • The maximum working voltage is 78V.

  4. What is the peak pulse current rating of SMF78AHRVG?

    • The peak pulse current rating is typically 5A.

  5. In what applications can SMF78AHRVG be used?

    • SMF78AHRVG is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against transient voltage events.

  6. What is the operating temperature range of SMF78AHRVG?

    • The operating temperature range is typically -55°C to 150°C.

  7. Does SMF78AHRVG meet any industry standards?

    • Yes, it is often compliant with industry standards such as IEC 61000-4-5 for surge protection.

  8. How should SMF78AHRVG be mounted on a PCB?

    • It should be mounted using standard surface mount techniques, following the recommended footprint and soldering guidelines provided in the datasheet.

  9. Can SMF78AHRVG be used in outdoor applications?

    • Yes, it is suitable for outdoor applications due to its ability to withstand transient voltage events, including those caused by lightning.

  10. What are some alternatives to SMF78AHRVG if it's not available?

    • Alternatives include similar TVS diodes with comparable voltage and current ratings, such as SMAJ78A or SMBJ78A. Always ensure that the replacement part meets the specific requirements of the application.