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V480LA40APX2855

V480LA40APX2855

Product Overview

Category

The V480LA40APX2855 belongs to the category of electronic components, specifically a metal oxide varistor (MOV).

Use

It is used as a voltage-dependent resistor to protect electrical circuits from overvoltage transients.

Characteristics

  • Voltage Rating: 480V
  • Peak Current: 20kA
  • Package Type: Radial leaded disc
  • Essence: Provides transient voltage surge suppression
  • Packaging/Quantity: Typically packaged in reels or bulk quantities

Specifications

  • Voltage Rating: 480V
  • Maximum Allowable Voltage: 775V
  • Energy (2ms): 360J
  • Peak Current (8/20µs): 20kA
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The V480LA40APX2855 has a radial leaded disc package with two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Provides protection against overvoltage transients
  • Fast response time to clamping voltage
  • High energy absorption capability

Advantages and Disadvantages

Advantages

  • Effective protection of sensitive electronic components
  • Wide operating temperature range
  • High peak current rating

Disadvantages

  • Limited lifespan after multiple surge events
  • Requires replacement after absorbing high-energy transients

Working Principles

The V480LA40APX2855 operates based on the principle of voltage-dependent resistance. When an overvoltage transient occurs, the MOV's resistance decreases, diverting the excess current away from the protected circuit.

Detailed Application Field Plans

The V480LA40APX2855 is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V480LA40APX2855 include: - V130LA20APX2855 - V250LA40APX2855 - V680LA40APX2855

In conclusion, the V480LA40APX2855 metal oxide varistor is a crucial component in protecting electronic circuits from overvoltage transients, offering effective surge suppression and high peak current capabilities.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением V480LA40APX2855 в технических решениях.

  1. What is the V480LA40APX2855?

    • The V480LA40APX2855 is a metal oxide varistor (MOV) component used for voltage clamping and transient surge protection in electronic circuits.

  2. What are the key specifications of the V480LA40APX2855?

    • The V480LA40APX2855 has a maximum AC voltage of 300V, a maximum DC voltage of 385V, and a peak current capability of 10kA.

  3. How does the V480LA40APX2855 provide surge protection?

    • The V480LA40APX2855 responds to overvoltage conditions by conducting large amounts of current, diverting the excess energy away from sensitive components and protecting them from damage.

  4. In what applications is the V480LA40APX2855 commonly used?

    • The V480LA40APX2855 is often used in power supplies, industrial equipment, telecommunications devices, and consumer electronics to protect against voltage transients and surges.

  5. What is the operating temperature range of the V480LA40APX2855?

    • The V480LA40APX2855 has an operating temperature range of -40°C to 85°C, making it suitable for a wide range of environments.

  6. How should the V480LA40APX2855 be mounted on a circuit board?

    • The V480LA40APX2855 can be surface-mounted or through-hole mounted, and care should be taken to ensure proper thermal management.

  7. What is the typical response time of the V480LA40APX2855 to a surge event?

    • The V480LA40APX2855 has a fast response time, typically clamping voltage within nanoseconds of an overvoltage event.

  8. Can multiple V480LA40APX2855 components be used in parallel for higher surge protection capability?

    • Yes, multiple V480LA40APX2855 components can be connected in parallel to increase the overall surge protection capability of a circuit.

  9. Are there any special considerations for integrating the V480LA40APX2855 into a design?

    • Designers should consider the voltage rating, energy absorption capability, and response time of the V480LA40APX2855 to ensure effective surge protection.

  10. Where can I find detailed application notes and guidelines for using the V480LA40APX2855 in technical solutions?

    • Detailed application notes and guidelines for the V480LA40APX2855 can be found in the manufacturer's datasheet and application guides, which provide comprehensive information on incorporating the component into various technical solutions.