Littelfuse Inc.
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
V575LA40CP

V575LA40CP

Product Overview

  • Category: Varistor
  • Use: Surge protection
  • Characteristics: High energy absorption, fast response time
  • Package: Radial leaded disc
  • Essence: Protects electronic circuits from voltage surges
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 575V
  • Peak Current: 10kA
  • Energy Absorption: 360J
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 14mm diameter

Detailed Pin Configuration

The V575LA40CP varistor has a radial leaded disc package with two leads for easy integration into circuit boards. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge Protection: Provides reliable protection against voltage surges and transients.
  • Fast Response Time: Reacts quickly to voltage spikes, safeguarding sensitive electronics.

Advantages and Disadvantages

Advantages

  • High energy absorption capacity
  • Fast response time
  • Reliable surge protection

Disadvantages

  • Limited lifespan after repeated surges
  • Requires periodic testing for continued effectiveness

Working Principles

The V575LA40CP operates based on the principle of voltage-dependent resistance. When subjected to a surge, the varistor's resistance decreases, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The V575LA40CP varistor is widely used in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. V575LA40A - Similar specifications, alternative manufacturer
  2. S20K575E2 - Comparable surge protection characteristics
  3. ERZ-VF2M575 - Alternative form factor with equivalent performance

This comprehensive range of alternative models ensures flexibility in design and sourcing options for surge protection needs.

This content provides a detailed overview of the V575LA40CP varistor, covering its product information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

10個與V575LA40CP在技術方案中應用相關的常見問題與解答

  1. What is the V575LA40CP?

    • The V575LA40CP is a metal oxide varistor (MOV) that is commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the V575LA40CP?

    • The V575LA40CP has a maximum AC voltage of 420V, a maximum DC voltage of 560V, and a peak current of 4500A.

  3. How does the V575LA40CP provide overvoltage protection?

    • The V575LA40CP acts as a voltage-dependent resistor, conducting current when the voltage exceeds a certain threshold, thereby diverting excess energy away from sensitive components.

  4. In what applications is the V575LA40CP commonly used?

    • The V575LA40CP is often used in power supplies, industrial equipment, telecommunications devices, and consumer electronics to protect against transient voltage spikes.

  5. What are the advantages of using the V575LA40CP for overvoltage protection?

    • The V575LA40CP offers fast response times, high surge current capability, and reliability in protecting electronic components from voltage surges.

  6. How should the V575LA40CP be connected in a circuit for optimal performance?

    • The V575LA40CP should be connected in parallel with the load or component that requires protection, ensuring that it can shunt excess voltage when necessary.

  7. What are the typical failure modes of the V575LA40CP?

    • The V575LA40CP can fail due to prolonged exposure to overvoltage conditions, excessive current, or thermal stress, so proper derating and thermal management are important.

  8. Are there any specific handling or storage considerations for the V575LA40CP?

    • The V575LA40CP should be stored in a dry environment, protected from moisture and contaminants, and handled with care to avoid mechanical damage.

  9. Can the V575LA40CP be replaced if it fails in a circuit?

    • Yes, the V575LA40CP can be replaced, but it's important to ensure that the replacement varistor has similar or better electrical characteristics to maintain the level of protection.

  10. What are some alternative varistors that can be considered alongside the V575LA40CP?

    • Alternative varistors include the V130LA20A, V250LA40B, and V320LA40BP, each with their own specific voltage and current ratings suitable for different applications.