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MOV-20D471K
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MOV-20D471K

Product Overview

Category

The MOV-20D471K 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-20D471K is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the MOV-20D471K lies in its ability to protect electronic equipment from voltage surges and transients.

Packaging/Quantity

It is commonly packaged in reels or trays, and the quantity per package varies based on the manufacturer's specifications.

Specifications

  • Voltage Rating: 470V
  • Peak Current: 20kA
  • Maximum Energy: 360J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MOV-20D471K has two leads for connection to the circuit. The pin configuration is as follows: 1. Lead 1: Connected to the anode 2. Lead 2: Connected to the cathode

Functional Features

  • Voltage clamping during transient events
  • Dissipation of excess energy as heat
  • Rapid response to voltage spikes

Advantages

  • Effective protection against voltage surges
  • Robust construction for long-term reliability
  • Suitable for a wide range of applications

Disadvantages

  • Limited lifespan after repeated exposure to high-energy transients
  • May require periodic replacement in high-risk environments

Working Principles

The MOV-20D471K operates based on the principle of nonlinear resistance, where its resistance decreases as the voltage across it increases. This allows it to divert excessive current away from sensitive components during transient events, thereby protecting the circuit.

Detailed Application Field Plans

The MOV-20D471K is commonly used in the following applications: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the MOV-20D471K include: - MOV-14D471K - MOV-07D471K - MOV-10D471K

In conclusion, the MOV-20D471K is a vital component in safeguarding electronic circuits and devices from voltage surges, offering reliable protection and performance across various applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MOV-20D471K dalam penyelesaian teknikal

  1. What is the MOV-20D471K used for?

    • The MOV-20D471K is a metal oxide varistor (MOV) that is commonly used to protect electrical and electronic devices from voltage surges and transient overvoltage conditions.

  2. What is the maximum voltage rating of the MOV-20D471K?

    • The MOV-20D471K has a maximum voltage rating of 470V, making it suitable for applications where protection against lower voltage surges is required.

  3. What is the typical response time of the MOV-20D471K?

    • The typical response time of the MOV-20D471K is in the nanosecond range, providing rapid protection against transient voltage spikes.

  4. Can the MOV-20D471K be used in AC and DC circuits?

    • Yes, the MOV-20D471K can be used in both AC and DC circuits to protect against overvoltage conditions.

  5. What is the energy absorption capability of the MOV-20D471K?

    • The MOV-20D471K has a high energy absorption capability, allowing it to dissipate the energy from voltage surges and protect downstream components.

  6. Is the MOV-20D471K suitable for use in outdoor applications?

    • Yes, the MOV-20D471K is designed to withstand outdoor environmental conditions and can be used in outdoor applications where surge protection is needed.

  7. What is the operating temperature range of the MOV-20D471K?

    • The MOV-20D471K has an operating temperature range typically from -40°C to 85°C, making it suitable for a wide range of environments.

  8. How should the MOV-20D471K be connected in a circuit?

    • The MOV-20D471K should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage away from the protected components.

  9. What are the potential failure modes of the MOV-20D471K?

    • The MOV-20D471K can degrade over time due to repeated exposure to voltage surges, and it may fail in a short-circuit or open-circuit mode when subjected to excessive energy.

  10. Are there any special considerations for integrating the MOV-20D471K into a circuit design?

    • It's important to consider the clamping voltage, peak current capability, and thermal management when integrating the MOV-20D471K into a circuit design to ensure effective surge protection without compromising the overall system performance.