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MOV-14D821KTR
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MOV-14D821KTR

Product Overview

Category

The MOV-14D821KTR 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-14D821KTR is typically available in a disc-shaped package.

Essence

The essence of the MOV-14D821KTR 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 Surge: 10kA
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 470pF

Detailed Pin Configuration

The MOV-14D821KTR typically has two leads for connection to the circuit. The pin configuration may vary based on the manufacturer's specifications.

Functional Features

  • Provides protection against voltage transients
  • Absorbs excess energy during surge events
  • Limits the voltage across sensitive components

Advantages

  • Effective surge protection
  • Fast response to transient events
  • Wide operating temperature range

Disadvantages

  • Limited lifespan after multiple surge events
  • Can degrade over time with repeated surges

Working Principles

The MOV-14D821KTR operates based on the principle of nonlinear voltage-dependent resistance. When subjected to a transient voltage surge, it conducts current to divert the surge energy away from the protected circuit.

Detailed Application Field Plans

The MOV-14D821KTR is commonly used in various applications including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the MOV-14D821KTR include: - MOV-10D471K - MOV-20D102K - MOV-7D180K

In conclusion, the MOV-14D821KTR is a vital component in safeguarding electronic circuits and devices from damaging voltage surges. Its high energy absorption capacity, fast response time, and wide operating voltage range make it an essential part of surge protection strategies in various industries.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MOV-14D821KTR i tekniska lösningar

  1. What is the MOV-14D821KTR used for?

    • The MOV-14D821KTR is a metal oxide varistor (MOV) that is commonly used for surge protection in electronic circuits and power supplies.

  2. How does the MOV-14D821KTR provide surge protection?

    • The MOV-14D821KTR acts as a voltage-dependent resistor, conducting current when the voltage across it exceeds a certain threshold, thereby diverting excess voltage away from sensitive components.

  3. What are the typical applications of the MOV-14D821KTR?

    • The MOV-14D821KTR is often used in AC line protection, industrial equipment, consumer electronics, and telecommunications equipment to protect against transient voltage spikes.

  4. What is the maximum energy absorption capability of the MOV-14D821KTR?

    • The MOV-14D821KTR has a high energy absorption capability, typically rated for surge currents up to several kiloamperes.

  5. How should the MOV-14D821KTR be connected in a circuit?

    • The MOV-14D821KTR should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage to ground when necessary.

  6. What are the operating temperature and voltage ranges for the MOV-14D821KTR?

    • The MOV-14D821KTR is designed to operate within specific temperature and voltage ranges, typically from -40°C to 85°C and up to its maximum continuous operating voltage.

  7. Can the MOV-14D821KTR degrade over time?

    • Yes, like all MOVs, the MOV-14D821KTR can degrade over time due to repeated exposure to transient surges, so it's important to monitor its condition and replace it if necessary.

  8. Are there any safety considerations when using the MOV-14D821KTR?

    • It's important to ensure that the MOV-14D821KTR is properly rated for the application and that appropriate safety measures are in place to prevent hazards in the event of a catastrophic failure.

  9. What are the key specifications to consider when selecting the MOV-14D821KTR for a specific application?

    • Key specifications to consider include the maximum allowable voltage, peak current capability, response time, and energy absorption capability.

  10. Are there any alternative components that can be used in place of the MOV-14D821KTR?

    • There are other types of surge protection devices, such as gas discharge tubes and transient voltage suppressors, but the MOV-14D821KTR is a popular choice due to its high energy absorption capability and fast response time.