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MOV-07D821K
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MOV-07D821K

Introduction

The MOV-07D821K is a metal oxide varistor (MOV) belonging to the category of electronic components. It is commonly used for surge protection in various electrical and electronic circuits due to its unique characteristics.

Basic Information Overview

  • Category: Electronic Component
  • Use: Surge Protection
  • Characteristics: High energy absorption, fast response time
  • Package: Disc
  • Essence: Metal Oxide Varistor
  • Packaging/Quantity: Typically packaged in reels or trays

Specifications

  • Voltage Rating: 820V
  • Peak Current: 4kA
  • Energy Rating: 11J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MOV-07D821K typically has two leads for connection in a circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge Protection: Absorbs high-energy transient voltage spikes
  • Fast Response Time: Quickly clamps excessive voltage to protect downstream components

Advantages

  • Effective surge protection
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited lifespan under repeated surges
  • Susceptible to degradation over time

Working Principles

The MOV-07D821K operates based on the principle of nonlinear resistance. When subjected to a surge voltage, it conducts current to divert the excess energy away from sensitive components, thereby protecting them from damage.

Detailed Application Field Plans

The MOV-07D821K finds extensive use in various applications, including: - Power Supplies - Telecommunications Equipment - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

Some alternative models to the MOV-07D821K include: - MOV-10D471K - MOV-14D201K - MOV-20D391K

In conclusion, the MOV-07D821K is a vital component in safeguarding electronic circuits from voltage surges, offering efficient protection and fast response times. Its application spans across diverse industries, making it an essential part of modern electronic systems.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan MOV-07D821K dalam solusi teknis

  1. What is MOV-07D821K?

    • MOV-07D821K is a metal oxide varistor (MOV) that is commonly used for surge protection in electronic circuits.

  2. What is the voltage rating of MOV-07D821K?

    • The voltage rating of MOV-07D821K is 820V.

  3. What is the maximum energy absorption capability of MOV-07D821K?

    • MOV-07D821K has a maximum energy absorption capability of 11J.

  4. How does MOV-07D821K provide surge protection?

    • MOV-07D821K protects electronic circuits by rapidly conducting excess voltage when a surge occurs, thereby diverting the surge away from sensitive components.

  5. What are the typical applications of MOV-07D821K?

    • MOV-07D821K is commonly used in power supplies, industrial equipment, and consumer electronics to protect against voltage surges and transients.

  6. What is the response time of MOV-07D821K?

    • MOV-07D821K has a fast response time, typically responding to surge events within nanoseconds.

  7. Is MOV-07D821K suitable for outdoor applications?

    • Yes, MOV-07D821K is designed to withstand outdoor environments and can be used in outdoor applications with appropriate housing and protection.

  8. Can MOV-07D821K be used in AC and DC circuits?

    • Yes, MOV-07D821K is suitable for both AC and DC circuits, providing surge protection in various types of electrical systems.

  9. What are the temperature limitations of MOV-07D821K?

    • MOV-07D821K has a wide operating temperature range, typically from -40°C to 85°C, making it suitable for diverse environmental conditions.

  10. How should MOV-07D821K be connected in a circuit?

    • MOV-07D821K should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage during surge events.