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MOV-07D221K
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MOV-07D221K

Product Overview

Category

The MOV-07D221K belongs to the category of Metal Oxide Varistors (MOVs).

Use

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

Characteristics

  • Voltage Clamping: 175V
  • Peak Current: 4500A
  • Energy Absorption: 70J
  • Response Time: <25ns
  • Operating Temperature: -40°C to +85°C

Package

The MOV-07D221K is available in a disc package.

Essence

The essence of MOV-07D221K lies in its ability to protect electronic circuits from voltage surges and transient overvoltage conditions.

Packaging/Quantity

The MOV-07D221K is typically packaged in reels or bulk quantities, depending on the manufacturer.

Specifications

  • Maximum Allowable Voltage: 140V
  • Nominal Voltage: 220V
  • Maximum Clamping Voltage: 360V
  • Peak Current (8/20μs): 4500A
  • Capacitance: 1000pF
  • Insulation Resistance: >10^4 MΩ

Detailed Pin Configuration

The MOV-07D221K has two leads for connection. The pin configuration includes the anode and cathode connections, which are essential for proper installation in a circuit.

Functional Features

  • Surge Protection: Provides effective protection against voltage surges and transients.
  • Fast Response Time: Responds quickly to overvoltage conditions, minimizing the risk of damage to connected equipment.
  • High Energy Absorption: Capable of absorbing significant amounts of energy during surge events.

Advantages

  • Effective surge protection for electronic circuits and devices.
  • Fast response time ensures quick reaction to overvoltage conditions.
  • High energy absorption capacity.

Disadvantages

  • Limited lifespan after repeated surge events.
  • May require replacement after significant surge occurrences.

Working Principles

The MOV-07D221K operates based on the principle of varistor action, where its resistance decreases as the voltage across it increases. This allows it to divert excess current away from sensitive components, protecting them from damage.

Detailed Application Field Plans

The MOV-07D221K is commonly used in various electronic applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to MOV-07D221K include: - MOV-10D201K: Similar characteristics with a higher peak current rating. - MOV-14D241K: Higher clamping voltage and energy absorption capability.

In conclusion, the MOV-07D221K is a vital component for safeguarding electronic circuits and devices from voltage surges and transient overvoltage conditions. Its fast response time, high energy absorption, and reliable surge protection make it an essential part of modern electronic systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MOV-07D221K i tekniska lösningar

  1. What is MOV-07D221K?

    • MOV-07D221K is a metal oxide varistor (MOV) component used for voltage clamping and transient suppression in electrical circuits.

  2. What are the key specifications of MOV-07D221K?

    • The MOV-07D221K has a maximum AC voltage rating of 175V, a maximum DC voltage rating of 225V, and a peak current capability of 4500A.

  3. How does MOV-07D221K protect electronic equipment?

    • MOV-07D221K protects electronic equipment by diverting excessive voltage transients or spikes to ground, preventing damage to sensitive components.

  4. In what applications can MOV-07D221K be used?

    • MOV-07D221K is commonly used in power supplies, industrial equipment, consumer electronics, and telecommunications devices to protect against voltage surges.

  5. What is the response time of MOV-07D221K?

    • MOV-07D221K has a fast response time, typically in nanoseconds, which allows it to quickly suppress transient voltage spikes.

  6. Can MOV-07D221K be used in both AC and DC circuits?

    • Yes, MOV-07D221K is suitable for use in both AC and DC circuits due to its bidirectional clamping capability.

  7. What is the operating temperature range of MOV-07D221K?

    • MOV-07D221K is designed to operate within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

  8. How should MOV-07D221K be connected in a circuit?

    • MOV-07D221K should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage away from the device.

  9. What are the potential failure modes of MOV-07D221K?

    • MOV-07D221K can fail due to prolonged exposure to overvoltage conditions, leading to degradation or catastrophic failure. Regular testing and replacement are recommended.

  10. Are there any safety considerations when using MOV-07D221K?

    • Users should ensure that MOV-07D221K is properly rated for the application, and follow proper safety guidelines for handling and installation to prevent electrical hazards.