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MOV-07D820K
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MOV-07D820K

Introduction

The MOV-07D820K is a Metal Oxide Varistor (MOV) belonging to the category of electronic components used for surge protection in electrical circuits. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the MOV-07D820K.

Basic Information Overview

  • Category: Electronic Component
  • Use: Surge Protection in Electrical Circuits
  • Characteristics: High energy absorption capacity, fast response time
  • Package: Disc-shaped
  • Essence: Provides transient voltage suppression
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 820V
  • Peak Current Rating: 4.5kA
  • Energy Absorption: 110J
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 7mm diameter

Detailed Pin Configuration

The MOV-07D820K typically consists of two wire leads for connection within an electrical circuit. The pin configuration includes the anode and cathode connections, which are essential for proper installation and functionality.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltages to protect sensitive electronic equipment.
  • Fast Response Time: Rapidly responds to voltage surges, diverting excess current away from the protected circuit.

Advantages and Disadvantages

Advantages

  • High energy absorption capacity
  • Fast response time
  • Compact size
  • Cost-effective surge protection solution

Disadvantages

  • Limited lifespan after multiple surge events
  • Susceptible to degradation over time

Working Principles

The MOV-07D820K operates based on the principle of varistor action, where its resistance decreases as the applied voltage increases. When a transient voltage surge occurs, the MOV conducts current, diverting the excess energy away from the protected circuit and limiting the voltage to a safe level.

Detailed Application Field Plans

The MOV-07D820K finds extensive use in various applications, including: - Power distribution systems - Telecommunication equipment - Industrial machinery - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: MOV-10D101K

    • Voltage Rating: 100V
    • Peak Current Rating: 6kA
    • Energy Absorption: 150J

  • Alternative Model 2: MOV-14D471K

    • Voltage Rating: 470V
    • Peak Current Rating: 8kA
    • Energy Absorption: 200J

  • Alternative Model 3: MOV-20D201K

    • Voltage Rating: 200V
    • Peak Current Rating: 10kA
    • Energy Absorption: 250J

In summary, the MOV-07D820K is a vital electronic component used for surge protection in various electrical and electronic systems. Its high energy absorption capacity, fast response time, and compact size make it an effective solution for safeguarding sensitive equipment from transient voltage surges.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de MOV-07D820K em soluções técnicas

  1. What is the voltage rating of MOV-07D820K?

    • The voltage rating of MOV-07D820K is 820V.

  2. What is the maximum peak current it can handle?

    • MOV-07D820K can handle a maximum peak current of 10kA.

  3. What are the typical applications for MOV-07D820K?

    • Typical applications include surge protection in power supplies, AC line protection, and industrial equipment.

  4. What is the response time of MOV-07D820K?

    • The response time of MOV-07D820K is typically less than 25 nanoseconds.

  5. Is MOV-07D820K suitable for outdoor use?

    • Yes, MOV-07D820K is suitable for outdoor use as it has a high energy absorption capability and is designed for harsh environments.

  6. What is the operating temperature range of MOV-07D820K?

    • The operating temperature range is -40°C to +85°C.

  7. Can MOV-07D820K be used in single-phase and three-phase systems?

    • Yes, MOV-07D820K can be used in both single-phase and three-phase systems.

  8. Does MOV-07D820K require a protective enclosure?

    • It is recommended to use a protective enclosure to prevent damage from environmental factors and to ensure safety.

  9. What is the lifespan of MOV-07D820K?

    • The lifespan of MOV-07D820K depends on the application and operating conditions but is typically several years.

  10. Are there any special considerations for installing MOV-07D820K?

    • It is important to follow the manufacturer's guidelines for installation, including proper grounding and placement to maximize its effectiveness.