Littelfuse Inc.
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V420LA10PX2855
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V420LA10PX2855

Product Overview

  • Category: Varistor
  • Use: Surge protection
  • Characteristics: High energy absorption, fast response time
  • Package: Radial leaded disc
  • Essence: Metal oxide varistor
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 420V
  • Peak Current: 10kA
  • Energy Absorption: 2855J
  • Operating Temperature Range: -40°C to 85°C
  • Lead Diameter: 0.6mm
  • Lead Spacing: 10mm

Detailed Pin Configuration

The V420LA10PX2855 varistor has a radial leaded disc package with two leads. 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: Quickly clamps excessive voltage to protect sensitive electronic components.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited operating temperature range
  • Requires proper installation for optimal performance

Working Principles

The V420LA10PX2855 operates based on the metal oxide varistor (MOV) principle. When a voltage surge occurs, the varistor conducts current, diverting excess energy away from the protected circuit. This action helps prevent damage to connected devices.

Detailed Application Field Plans

The V420LA10PX2855 is suitable for various applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • V130LA20APX2855: 130V, 20kA, 2855J
  • V250LA40BPX2855: 250V, 40kA, 2855J
  • V680LA80CPX2855: 680V, 80kA, 2855J
  • V910LA120DPX2855: 910V, 120kA, 2855J

This completes the entry for the V420LA10PX2855 varistor, covering its product details, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací V420LA10PX2855 v technických řešeních

  1. What is the V420LA10PX2855?

    • The V420LA10PX2855 is a metal oxide varistor (MOV) commonly used for surge protection in electrical and electronic circuits.

  2. What are the key specifications of the V420LA10PX2855?

    • The V420LA10PX2855 has a maximum AC voltage of 275V, a peak current of 6500A, and a clamping voltage of 710V.

  3. How does the V420LA10PX2855 provide surge protection?

    • The V420LA10PX2855 acts as a voltage-dependent resistor, conducting excess voltage away from sensitive components to protect them from damage during power surges or transient events.

  4. Where can the V420LA10PX2855 be used in technical solutions?

    • The V420LA10PX2855 can be used in various applications such as power supplies, industrial equipment, telecommunications, and consumer electronics for surge protection.

  5. What are the typical failure modes of the V420LA10PX2855?

    • The V420LA10PX2855 can fail due to prolonged exposure to overvoltage conditions, excessive current, or thermal stress, leading to degradation or catastrophic failure.

  6. How should the V420LA10PX2855 be mounted in a circuit?

    • The V420LA10PX2855 should be securely mounted to a heat-sink or PCB using appropriate soldering or mounting techniques to ensure proper heat dissipation and mechanical stability.

  7. What are the temperature and humidity considerations for the V420LA10PX2855?

    • The V420LA10PX2855 operates within a specified temperature range (-40°C to 85°C) and is suitable for use in non-condensing humidity environments.

  8. Can multiple V420LA10PX2855 varistors be connected in parallel for higher surge protection?

    • Yes, multiple V420LA10PX2855 varistors can be connected in parallel to increase the overall surge handling capability of the circuit.

  9. Are there any special handling or storage requirements for the V420LA10PX2855?

    • The V420LA10PX2855 should be stored in a dry environment, protected from physical damage, and handled according to ESD (electrostatic discharge) precautions.

  10. What are the recommended testing and inspection procedures for the V420LA10PX2855 in technical solutions?

    • Periodic testing for leakage current, clamping voltage, and response time should be conducted to ensure the V420LA10PX2855 is functioning within its specified parameters. Additionally, visual inspection for physical damage or degradation is recommended.