Littelfuse Inc.
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V275LA40APX2855

V275LA40APX2855

Product Overview

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

Specifications

  • Voltage Rating: 275V
  • Peak Current: 4.5kA
  • Energy Absorption: 85J
  • Response Time: <25ns
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The V275LA40APX2855 has a radial lead configuration with two leads for easy mounting on a circuit board.

Functional Features

  • Fast response to voltage surges
  • High energy absorption capacity
  • Reliable protection for sensitive electronic components

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited voltage rating
  • Bulk packaging may not be suitable for all applications

Working Principles

The V275LA40APX2855 operates based on the principle of varistor action, where its resistance decreases as the voltage across it increases, thereby diverting excess current away from the protected circuit.

Detailed Application Field Plans

The V275LA40APX2855 is commonly used in: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • V130LA20APX2855 (130V rating)
  • V320LA40APX2855 (320V rating)
  • V420LA40APX2855 (420V rating)

This completes the entry for V275LA40APX2855, providing comprehensive information about its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Word Count: 258

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق V275LA40APX2855 في الحلول التقنية

  1. What is the V275LA40APX2855?

    • The V275LA40APX2855 is a metal oxide varistor (MOV) component used for transient voltage suppression in electrical circuits.

  2. What are the key specifications of the V275LA40APX2855?

    • The V275LA40APX2855 has a maximum continuous voltage rating of 275V, a peak current capability of 4500A, and an energy rating of 110J.

  3. How does the V275LA40APX2855 provide overvoltage protection?

    • The V275LA40APX2855 clamps excessive voltage levels by diverting surge currents away from sensitive components, thereby protecting the circuit from damage.

  4. In what applications is the V275LA40APX2855 commonly used?

    • The V275LA40APX2855 is frequently employed in power supplies, motor drives, lighting systems, and telecommunications equipment to safeguard against voltage transients.

  5. What are the advantages of using the V275LA40APX2855 in technical solutions?

    • The V275LA40APX2855 offers fast response times, high surge current handling capabilities, and reliability in suppressing transient voltages, making it ideal for protecting electronic devices.

  6. How should the V275LA40APX2855 be integrated into a circuit?

    • The V275LA40APX2855 should be connected in parallel with the load or equipment to be protected, ensuring that it can shunt excess voltage when necessary.

  7. What are the temperature considerations for the V275LA40APX2855?

    • The V275LA40APX2855 operates within a wide temperature range, typically from -40°C to 85°C, allowing for reliable performance in various environmental conditions.

  8. Can multiple V275LA40APX2855 components be used in conjunction for enhanced protection?

    • Yes, multiple V275LA40APX2855 varistors can be employed in parallel or series configurations to increase the overall surge current handling capacity and improve protection levels.

  9. Are there any specific precautions to consider when using the V275LA40APX2855?

    • It's important to ensure proper mounting and adequate spacing to manage heat dissipation, as well as to adhere to recommended voltage and current ratings to prevent overstressing the component.

  10. Where can I find detailed technical documentation for the V275LA40APX2855?

    • Detailed datasheets, application notes, and specifications for the V275LA40APX2855 can be obtained from the manufacturer's website or authorized distributors.