Littelfuse Inc.
Зображення може бути репрезентативним.
Деталі продукту див. у специфікаціях.
V250LA40C
Переглянути деталі Таблиці даних

V250LA40C

Introduction

The V250LA40C is a component belonging to the category of metal oxide varistors (MOV), commonly used for surge protection in various electronic and electrical systems. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the V250LA40C.

Basic Information Overview

  • Category: Metal Oxide Varistor (MOV)
  • Use: Surge protection in electronic and electrical systems
  • Characteristics: High energy absorption capacity, fast response time, compact size
  • Package: Radial leaded disc
  • Essence: Provides transient voltage suppression
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 250V
  • Peak Current Rating: 4kA
  • Energy Absorption: 250J
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 1000pF

Detailed Pin Configuration

The V250LA40C typically features a radial leaded disc package with two leads for easy integration into circuit boards. The detailed pin configuration includes the connection points for the anode and cathode.

Functional Features

  • Surge Protection: Effectively suppresses transient overvoltage events
  • Fast Response Time: Rapidly clamps excessive voltage spikes
  • Reliable Performance: Ensures consistent protection against voltage surges

Advantages and Disadvantages

Advantages

  • High energy absorption capacity
  • Fast response time
  • Compact size for easy integration

Disadvantages

  • Limited to specific voltage and current ratings
  • May require additional components for comprehensive surge protection

Working Principles

The V250LA40C operates based on the principle of nonlinear resistance, where it exhibits a high resistance at normal operating voltages and a low resistance during overvoltage conditions. This allows it to divert excess energy away from sensitive components, protecting them from damage.

Detailed Application Field Plans

The V250LA40C finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

  • V130LA20C: Lower voltage rating, suitable for less demanding applications
  • V420LA40B: Higher voltage and energy absorption capacity, ideal for heavy-duty surge protection
  • V275LA20AP: Enhanced performance with improved temperature range and reliability

In conclusion, the V250LA40C serves as a crucial component in safeguarding electronic and electrical systems from transient voltage events. Its high energy absorption capacity, fast response time, and compact design make it a preferred choice for surge protection in diverse applications.

[Word Count: 410]

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням V250LA40C у технічних рішеннях

  1. What is the V250LA40C?

    • The V250LA40C is a metal oxide varistor (MOV) that is commonly used for overvoltage protection in various technical solutions.

  2. What are the key specifications of the V250LA40C?

    • The V250LA40C has a maximum continuous voltage rating of 250V, a peak current capability of 6500A, and a maximum energy rating of 100J.

  3. How does the V250LA40C provide overvoltage protection?

    • The V250LA40C acts as a voltage-dependent resistor, conducting current when the voltage exceeds a certain threshold, thereby diverting excess voltage away from sensitive components.

  4. In what applications is the V250LA40C commonly used?

    • The V250LA40C is often used in power supplies, industrial equipment, telecommunications systems, and consumer electronics to protect against transient voltage spikes.

  5. What are the advantages of using the V250LA40C for overvoltage protection?

    • The V250LA40C offers fast response times, high surge current capability, and reliability in protecting electronic circuits from voltage surges.

  6. How should the V250LA40C be connected in a circuit for optimal performance?

    • The V250LA40C should be connected in parallel with the circuit or component to be protected, ensuring that it can shunt excess voltage when necessary.

  7. What are the operating temperature and storage conditions for the V250LA40C?

    • The V250LA40C typically operates within a temperature range of -40°C to 85°C and should be stored in a dry environment at temperatures between -40°C and 125°C.

  8. Can the V250LA40C be used for outdoor applications?

    • Yes, the V250LA40C is suitable for outdoor use, but it should be housed in an appropriate enclosure to protect it from environmental factors.

  9. Are there any precautions to consider when using the V250LA40C?

    • It's important to ensure that the V250LA40C is properly rated for the application, and to follow manufacturer guidelines for installation and testing.

  10. Where can I purchase the V250LA40C and are there alternative options available?

    • The V250LA40C can be purchased from authorized distributors and electronic component suppliers. Additionally, there are alternative MOVs with similar specifications that may be suitable for specific applications.