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MOV-20D621K
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MOV-20D621K

Product Overview

Category

The MOV-20D621K belongs to the category of Metal Oxide Varistors (MOVs).

Use

It is used for surge protection in electronic circuits and devices.

Characteristics

  • High energy absorption capacity
  • Fast response time
  • Wide operating voltage range

Package

The MOV-20D621K is typically available in a disc-shaped package with leads for easy installation on circuit boards.

Essence

The essence of MOV-20D621K lies in its ability to protect electronic equipment from voltage surges and transient overvoltage conditions.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage Rating: 620V
  • Peak Current: 2000A
  • Maximum Energy Dissipation: 20J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MOV-20D621K typically has two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer, but it generally follows a standard design with clearly labeled terminals for easy integration.

Functional Features

  • Surge Protection: MOV-20D621K provides effective protection against voltage spikes and surges.
  • Fast Response: It offers rapid response to transient overvoltage conditions, safeguarding connected equipment.

Advantages

  • High Energy Absorption: Capable of handling high-energy transients.
  • Versatile Application: Suitable for a wide range of electronic devices and circuits.

Disadvantages

  • Clamping Voltage Tolerance: Variations in clamping voltage tolerance may occur between different units.

Working Principles

MOV-20D621K operates based on the principle of nonlinear voltage-dependent resistance. When subjected to a voltage surge, it conducts current to divert excess energy away from the protected circuit.

Detailed Application Field Plans

  • Consumer Electronics: Protects TVs, computers, and home entertainment systems.
  • Industrial Equipment: Safeguards control systems, power supplies, and industrial automation devices.
  • Telecommunications: Used in networking equipment and communication systems.

Detailed and Complete Alternative Models

  • MOV-14DxxxK: Lower voltage rating variant suitable for sensitive electronics.
  • MOV-25DxxxK: Higher voltage rating variant for industrial applications.

In conclusion, the MOV-20D621K is a vital component for ensuring the reliability and longevity of electronic equipment by providing robust surge protection capabilities.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MOV-20D621K v technických řešeních

  1. What is MOV-20D621K?

    • MOV-20D621K is a metal oxide varistor (MOV) component used for surge protection in electrical and electronic circuits.

  2. What is the maximum voltage rating of MOV-20D621K?

    • The maximum voltage rating of MOV-20D621K is 130V.

  3. What is the maximum energy absorption capability of MOV-20D621K?

    • MOV-20D621K has a maximum energy absorption capability of 360J.

  4. How does MOV-20D621K provide surge protection?

    • MOV-20D621K clamps transient overvoltages by diverting excess current away from sensitive components, thereby protecting them from damage.

  5. What are the typical applications of MOV-20D621K?

    • MOV-20D621K is commonly used in power supplies, industrial equipment, consumer electronics, and telecommunications devices for surge protection.

  6. What are the operating temperature and storage temperature ranges for MOV-20D621K?

    • The operating temperature range for MOV-20D621K is -40°C to 85°C, and the storage temperature range is -40°C to 125°C.

  7. Is MOV-20D621K suitable for both AC and DC applications?

    • Yes, MOV-20D621K is suitable for both AC and DC applications.

  8. What are the dimensions and lead spacing of MOV-20D621K?

    • MOV-20D621K typically has a disc diameter of 20mm and a lead spacing of 7.5mm.

  9. Does MOV-20D621K require any additional protective measures in a circuit?

    • MOV-20D621K may require additional protective measures such as fuses or thermal cutoffs to ensure safe operation in case of extreme surges.

  10. Are there any reliability certifications or standards compliance for MOV-20D621K?

    • MOV-20D621K may be certified to standards such as UL, CSA, or IEC, and it may comply with RoHS and REACH regulations for environmental safety.