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V140LA2
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V140LA2

Product Overview

Category

The V140LA2 belongs to the category of metal oxide varistors (MOVs).

Use

It is used for surge protection in electronic and electrical circuits.

Characteristics

  • High energy absorption capacity
  • Fast response time
  • Wide operating voltage range

Package

The V140LA2 is typically available in a disc-shaped package.

Essence

The essence of the V140LA2 lies in its ability to protect sensitive electronic components from voltage surges.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Operating Voltage: 140V
  • Peak Current Capability: 6000A
  • Energy Absorption: 360J
  • Maximum Clamping Voltage: 369V
  • Nominal Varistor Voltage: 180V

Detailed Pin Configuration

The V140LA2 typically has two leads for connection to the circuit. The pin configuration may vary slightly based on the manufacturer, but the standard configuration includes a lead for each terminal.

Functional Features

  • Surge Protection: The V140LA2 provides effective protection against voltage surges, diverting excess current away from sensitive components.
  • Fast Response: It responds rapidly to voltage spikes, minimizing the risk of damage to connected devices.
  • Reliability: It offers consistent performance over multiple surge events, ensuring long-term protection for electronic circuits.

Advantages and Disadvantages

Advantages

  • High energy absorption capability
  • Fast response time
  • Wide operating voltage range

Disadvantages

  • Limited lifespan after repeated surge events
  • Susceptible to thermal aging over time

Working Principles

The V140LA2 operates based on the principle of nonlinear voltage-dependent resistance. When subjected to a surge, the varistor's resistance decreases, allowing it to absorb excess energy and protect the circuit.

Detailed Application Field Plans

The V140LA2 is commonly used in the following applications: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • V130LA20A
  • V150LA20A
  • V175LA20A
  • V200LA20A

These alternative models offer similar surge protection capabilities with variations in operating voltage and energy absorption.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa V140LA2 katika suluhu za kiufundi

  1. What is V140LA2?

    • V140LA2 is a type of metal oxide varistor (MOV) that is commonly used for surge protection in electronic and electrical systems.

  2. What are the key features of V140LA2?

    • V140LA2 offers high energy absorption capability, fast response time, and low leakage current, making it suitable for protecting sensitive equipment from voltage surges.

  3. Where can V140LA2 be used?

    • V140LA2 can be used in various applications such as power supplies, industrial equipment, telecommunications systems, and consumer electronics to protect against transient overvoltage conditions.

  4. How does V140LA2 provide surge protection?

    • V140LA2 operates by clamping excessive voltage levels and diverting surge currents away from the protected equipment, thereby preventing damage due to transient voltage spikes.

  5. What is the maximum voltage rating of V140LA2?

    • The maximum voltage rating of V140LA2 is typically around 140V, which means it can effectively protect against voltage surges up to this level.

  6. Are there any specific installation requirements for V140LA2?

    • V140LA2 should be installed in parallel with the equipment to be protected and connected to the ground for effective surge suppression.

  7. What are the typical failure modes of V140LA2?

    • V140LA2 can fail due to prolonged exposure to overvoltage conditions or excessive surge events, leading to degradation of its protective capabilities.

  8. Can V140LA2 be replaced after it has absorbed a surge?

    • Yes, V140LA2 is designed to sacrifice itself to protect the connected equipment, so it should be replaced after it has experienced a significant surge event.

  9. How can the effectiveness of V140LA2 be tested?

    • The effectiveness of V140LA2 can be tested using surge generators or transient voltage suppressor (TVS) testing equipment to ensure it is still capable of providing surge protection.

  10. What are some best practices for integrating V140LA2 into a technical solution?

    • It is important to carefully select the appropriate V140LA2 based on the system's voltage and current requirements, follow manufacturer guidelines for installation, and regularly inspect and replace V140LA2 devices to maintain optimal surge protection.