Bourns Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
MOV-14D821K
Ver Detalle Hojas de datos

MOV-14D821K

Product Overview

Category

The MOV-14D821K 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
  • Compact size

Package

The MOV-14D821K is typically available in a disc-shaped package.

Essence

The essence of MOV-14D821K lies in its ability to protect electronic equipment from transient voltage surges.

Packaging/Quantity

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

Specifications

  • Voltage Rating: 820V
  • Peak Current: 6500A
  • Maximum Energy Dissipation: 360J
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 14mm diameter

Detailed Pin Configuration

The MOV-14D821K has two leads for connection to the circuit. The pin configuration is as follows: 1. Lead 1: Connected to the anode side of the varistor 2. Lead 2: Connected to the cathode side of the varistor

Functional Features

  • Provides protection against overvoltage events
  • Absorbs and dissipates excess energy to prevent damage to connected devices
  • Does not conduct current under normal operating conditions

Advantages

  • Effective surge protection
  • Fast response to transient voltage spikes
  • Suitable for a wide range of applications

Disadvantages

  • Limited lifespan after repeated exposure to surges
  • Can degrade over time with exposure to high-energy transients

Working Principles

When subjected to a voltage surge, the MOV-14D821K conducts current, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit and prevent damage to sensitive components.

Detailed Application Field Plans

The MOV-14D821K is commonly used in various electronic and electrical systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to MOV-14D821K include: - MOV-10D431K - MOV-20D102K - MOV-7D180K - MOV-5D201K

In conclusion, the MOV-14D821K is a vital component in safeguarding electronic devices from voltage surges, offering reliable protection and fast response times. Its use spans across diverse industries, making it an essential part of modern electronic systems.

Word Count: 346

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MOV-14D821K en soluciones técnicas

  1. What is the MOV-14D821K used for?

    • The MOV-14D821K is a metal oxide varistor (MOV) that is commonly used for surge protection in electronic circuits and power supplies.

  2. How does the MOV-14D821K provide surge protection?

    • The MOV-14D821K acts as a voltage-dependent resistor, conducting current when the voltage across it exceeds a certain threshold, thereby diverting excess energy away from sensitive components.

  3. What are the key specifications of the MOV-14D821K?

    • The MOV-14D821K has a maximum continuous voltage rating of 820V, a peak current capability of 6500A, and a clamping voltage of 1350V.

  4. Where can the MOV-14D821K be used in technical solutions?

    • The MOV-14D821K can be used in various technical solutions such as power supplies, industrial equipment, consumer electronics, and telecommunications systems to protect against voltage surges.

  5. What are the typical applications of the MOV-14D821K?

    • Typical applications include surge protection in AC/DC power supplies, motor drives, UPS systems, and electronic equipment with exposure to transient voltage events.

  6. How should the MOV-14D821K be connected in a circuit?

    • The MOV-14D821K should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage away from the sensitive components.

  7. What are the operating temperature and storage conditions for the MOV-14D821K?

    • The MOV-14D821K typically operates within a temperature range of -40°C to 85°C and should be stored in a dry environment at temperatures between -40°C and 125°C.

  8. What are the potential failure modes of the MOV-14D821K?

    • The MOV-14D821K can fail due to prolonged exposure to overvoltage conditions, excessive current surges, or aging, leading to reduced surge protection capability.

  9. Can the MOV-14D821K be replaced after it has absorbed a surge?

    • Yes, if the MOV-14D821K has experienced a significant surge event, it is recommended to replace it, as its protective capabilities may have been compromised.

  10. Are there any safety considerations when using the MOV-14D821K?

    • It is important to ensure that the MOV-14D821K is properly rated for the application and that appropriate safety measures are in place to prevent hazards in the event of a catastrophic failure.