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MOV-10D821K
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MOV-10D821K

Product Overview

Category: Electronic Component
Use: Surge Protection
Characteristics: High energy absorption, fast response time
Package: Radial leaded disc
Essence: Metal Oxide Varistor (MOV)
Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 820V
  • Peak Current: 100A
  • Energy Absorption: 10J
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The MOV-10D821K has a radial leaded disc package with two leads for easy integration into circuit boards. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides protection against voltage surges and transients
  • Fast response time ensures quick clamping of overvoltage events
  • High energy absorption capability safeguards sensitive electronic components

Advantages and Disadvantages

Advantages: - Effective surge protection - Fast response time - Wide operating temperature range

Disadvantages: - Limited lifespan after repeated surges - Susceptible to degradation over time

Working Principles

The MOV-10D821K operates based on the metal oxide varistor principle, where it exhibits a high resistance at normal operating voltages but rapidly switches to a low resistance state when subjected to overvoltage conditions, thereby diverting excess current away from the protected circuit.

Detailed Application Field Plans

The MOV-10D821K is commonly used in various electronic devices and systems requiring surge protection, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • MOV-07D431K: 430V voltage rating, 7mm disc size
  • MOV-14D112K: 1100V voltage rating, 14mm disc size
  • MOV-20D201K: 200V voltage rating, 20mm disc size

In conclusion, the MOV-10D821K is a vital component in safeguarding electronic circuits from voltage surges and transients, offering reliable protection and fast response times across a wide range of applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MOV-10D821K i tekniska lösningar

  1. What is MOV-10D821K?

    • MOV-10D821K is a metal oxide varistor (MOV) with a voltage rating of 820V.

  2. What is the purpose of MOV-10D821K in technical solutions?

    • MOV-10D821K is used to protect electronic circuits and components from voltage surges and transient overvoltage conditions.

  3. How does MOV-10D821K work?

    • MOV-10D821K works by rapidly changing its resistance in response to changes in voltage, effectively shunting excess voltage away from sensitive components.

  4. Where can MOV-10D821K be used?

    • MOV-10D821K can be used in power supplies, industrial equipment, consumer electronics, and other applications where protection against voltage spikes is necessary.

  5. What are the key specifications of MOV-10D821K?

    • The key specifications include a maximum allowable voltage of 820V, peak current capability, energy absorption capability, and response time.

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

    • MOV-10D821K should be connected in parallel with the load or component that needs protection, across the input power lines.

  7. What are the potential failure modes of MOV-10D821K?

    • MOV-10D821K can fail due to prolonged exposure to overvoltage conditions, excessive current, or aging. It may also degrade over time.

  8. Can MOV-10D821K be used in outdoor applications?

    • Yes, MOV-10D821K can be used in outdoor applications, but it should be housed in an appropriate enclosure to protect it from environmental factors.

  9. Are there any precautions to consider when using MOV-10D821K?

    • It's important to ensure that the operating voltage does not exceed the maximum rated voltage of MOV-10D821K, and to monitor its condition periodically for signs of degradation.

  10. What are some alternatives to MOV-10D821K for overvoltage protection?

    • Alternatives include gas discharge tubes, transient voltage suppressor diodes, and avalanche diodes, depending on the specific requirements of the application.