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MOV-14D621K
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MOV-14D621K

Product Overview

Category: Electronic Component
Use: Surge Protection
Characteristics: High energy absorption, fast response time
Package: Radial Leaded
Essence: Metal Oxide Varistor
Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 620V
  • Peak Current: 10000A
  • Energy Absorption: 360J
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The MOV-14D621K has a radial leaded package with two leads for easy mounting on a circuit board.

Functional Features

  • Provides protection against voltage surges and transients
  • Fast response time ensures quick clamping of overvoltage events
  • High energy absorption capability safeguards sensitive electronic components

Advantages and Disadvantages

Advantages: - Effective surge protection - Fast response time - Wide operating temperature range

Disadvantages: - Limited lifespan after repeated surges - Can degrade over time with exposure to high energy events

Working Principles

The MOV-14D621K operates based on the metal oxide varistor (MOV) principle, where it exhibits a high resistance at normal operating voltages but rapidly switches to a low resistance state when subjected to overvoltage conditions, thereby diverting excess current away from the protected circuit.

Detailed Application Field Plans

The MOV-14D621K is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. MOV-14D471K: Voltage Rating: 470V, Peak Current: 10000A, Energy Absorption: 250J
  2. MOV-14D681K: Voltage Rating: 680V, Peak Current: 10000A, Energy Absorption: 420J
  3. MOV-14D821K: Voltage Rating: 820V, Peak Current: 10000A, Energy Absorption: 480J

In conclusion, the MOV-14D621K is a reliable surge protection component with high energy absorption and fast response time, making it suitable for a wide range of electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MOV-14D621K i tekniska lösningar

  1. What is the MOV-14D621K?

    • The MOV-14D621K is a metal oxide varistor (MOV) that is designed to protect electrical and electronic devices from overvoltage surges.

  2. What are the key specifications of the MOV-14D621K?

    • The MOV-14D621K has a maximum allowable voltage of 385V, a peak current of 6500A, and a capacitance of 430pF.

  3. How does the MOV-14D621K work in technical solutions?

    • The MOV-14D621K acts as a voltage-dependent resistor, conducting current when subjected to high voltage spikes, thereby diverting excess energy away from sensitive components.

  4. What are the typical applications of the MOV-14D621K?

    • The MOV-14D621K is commonly used in power supplies, AC line protection, industrial equipment, and surge protection devices.

  5. How do I select the appropriate MOV-14D621K for my application?

    • The selection of the MOV-14D621K depends on the operating voltage, maximum surge current, and energy absorption requirements of the specific application.

  6. What are the advantages of using the MOV-14D621K in technical solutions?

    • The MOV-14D621K provides fast response to transient overvoltage events, low leakage current, and high surge current capability, making it an effective protection component.

  7. Are there any limitations or considerations when using the MOV-14D621K?

    • It's important to consider the operating temperature range, derating guidelines, and potential aging effects when integrating the MOV-14D621K into a design.

  8. How should the MOV-14D621K be mounted in a circuit?

    • The MOV-14D621K should be securely soldered onto the PCB, with proper consideration given to its thermal management and electrical connections.

  9. Can the MOV-14D621K be used in both AC and DC circuits?

    • Yes, the MOV-14D621K is suitable for use in both AC and DC circuits, providing protection against voltage transients in various applications.

  10. What are some best practices for incorporating the MOV-14D621K into a technical solution?

    • Best practices include placing the MOV close to the protected circuit, ensuring proper grounding, and considering the coordination with other protective devices for comprehensive surge protection.