Littelfuse Inc.
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V140LA2PX1347
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V140LA2PX1347

Product Overview

Category

The V140LA2PX1347 belongs to the category of electronic components, specifically a varistor.

Use

It is used as a voltage-dependent resistor to protect electrical circuits from excessive transient voltage surges.

Characteristics

  • Voltage-dependent nonlinear resistor
  • Protects against overvoltage conditions
  • Fast response time
  • High energy absorption capability

Package

The V140LA2PX1347 is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the V140LA2PX1347 lies in its ability to safeguard sensitive electronic equipment from voltage spikes and surges.

Packaging/Quantity

It is commonly packaged in reels or trays and is available in varying quantities based on customer requirements.

Specifications

  • Maximum Allowable Voltage: 140V
  • Energy Absorption Capability: 360J
  • Peak Current Capability: 6000A
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 1000pF

Detailed Pin Configuration

The V140LA2PX1347 typically has two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The V140LA2PX1347 operates by exhibiting a high resistance at normal operating voltages and rapidly transitioning to a low resistance state when subjected to overvoltage conditions. This characteristic allows it to divert excess current away from sensitive components, protecting them from damage.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • High energy absorption capability

Disadvantages

  • Limited lifespan after multiple surge events
  • Can degrade over time with repeated exposure to surges

Working Principles

The V140LA2PX1347 works based on the principle of voltage-dependent resistance. Under normal operating conditions, it exhibits a high resistance, but when the voltage exceeds a certain threshold, it rapidly transitions to a low resistance state, effectively shunting the excess current away from the protected circuit.

Detailed Application Field Plans

The V140LA2PX1347 finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the V140LA2PX1347 include: - V130LA20AP - V150LA20A - V175LA10AP

In conclusion, the V140LA2PX1347 is a vital component in safeguarding electronic circuits from voltage surges, offering fast response times and high energy absorption capabilities. Its application spans across diverse industries, making it an essential element in ensuring the reliability and longevity of electronic equipment.

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Énumérez 10 questions et réponses courantes liées à l'application de V140LA2PX1347 dans les solutions techniques

  1. What is V140LA2PX1347?

    • V140LA2PX1347 is a type of metal oxide varistor (MOV) commonly used for surge protection in electronic and electrical systems.

  2. How does V140LA2PX1347 work?

    • V140LA2PX1347 works by rapidly changing its resistance in response to voltage spikes, diverting excess current away from sensitive components and protecting them from damage.

  3. Where can V140LA2PX1347 be used?

    • V140LA2PX1347 can be used in various technical solutions such as power supplies, industrial equipment, telecommunications systems, and consumer electronics to protect against transient overvoltage events.

  4. What are the key specifications of V140LA2PX1347?

    • The key specifications of V140LA2PX1347 include its maximum continuous operating voltage, peak current capability, energy absorption capacity, and response time.

  5. How do I select the right V140LA2PX1347 for my application?

    • Selecting the right V140LA2PX1347 involves considering factors such as the system's operating voltage, the potential surge levels, and the required response time for protection.

  6. What are the advantages of using V140LA2PX1347 in technical solutions?

    • The advantages of using V140LA2PX1347 include its ability to provide reliable surge protection, compact size, and cost-effectiveness compared to other protective devices.

  7. Are there any limitations or considerations when using V140LA2PX1347?

    • It's important to consider the temperature range, mounting requirements, and potential aging effects when using V140LA2PX1347 in technical solutions.

  8. Can V140LA2PX1347 be replaced with other MOVs?

    • While V140LA2PX1347 has specific characteristics, it can be replaced with alternative MOVs with similar voltage and energy ratings, but careful consideration should be given to the specific application requirements.

  9. How should V140LA2PX1347 be handled and stored?

    • V140LA2PX1347 should be handled with care to avoid mechanical damage and stored in a dry environment to prevent moisture ingress, which could affect its performance.

  10. What are some common failure modes of V140LA2PX1347?

    • Common failure modes of V140LA2PX1347 include degradation due to prolonged exposure to high voltage transients, thermal runaway under sustained overvoltage conditions, and mechanical damage from excessive stress. Regular testing and replacement may be necessary to ensure continued protection.