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V140LA20C
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V140LA20C - Product Overview

Introduction

The V140LA20C is a voltage suppressor component designed to protect electronic circuits from transient overvoltage conditions. This entry provides an in-depth overview of the V140LA20C, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The V140LA20C belongs to the category of voltage suppressors, specifically metal oxide varistors (MOVs). These components are widely used in electronic circuits to protect against voltage spikes and surges.

Basic Information Overview

  • Use: The V140LA20C is used to safeguard electronic devices and circuits from transient overvoltage events.
  • Characteristics: It exhibits high energy absorption capability and fast response to transient voltage spikes.
  • Package: The V140LA20C is typically available in a radial leaded package.
  • Essence: Its essence lies in providing reliable overvoltage protection for sensitive electronic components.
  • Packaging/Quantity: It is commonly packaged in reels or bulk quantities for production purposes.

Specifications

  • Voltage Rating: 140V
  • Peak Current Rating: 4500A
  • Energy Absorption: 100J
  • Operating Temperature Range: -40°C to 85°C
  • Dimensions: 14mm diameter

Detailed Pin Configuration

The V140LA20C typically features a radial leaded configuration with two leads for easy integration into circuit boards. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltages to safe levels.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on protected circuits.
  • Reliable Performance: Provides consistent protection over a wide range of operating conditions.

Advantages and Disadvantages

Advantages

  • High energy absorption capacity
  • Fast response to transient overvoltages
  • Reliable overvoltage protection

Disadvantages

  • Limited lifespan under repetitive high-energy surge conditions
  • Susceptible to degradation over time with repeated exposure to overvoltage events

Working Principles

The V140LA20C operates based on the principle of varistor action, where its resistance decreases with increasing voltage. When subjected to transient overvoltage, the varistor rapidly conducts current, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The V140LA20C 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
  • V150LA20C
  • V140LA10C
  • V140LA40C

In conclusion, the V140LA20C serves as a crucial component in protecting electronic circuits from transient overvoltage events. Its robust characteristics, fast response time, and reliable performance make it a preferred choice for a wide range of applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de V140LA20C en soluciones técnicas

  1. What is V140LA20C?

    • V140LA20C is a type of metal oxide varistor (MOV) that is commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of V140LA20C?

    • The V140LA20C has a maximum AC voltage of 85V, a maximum DC voltage of 115V, and a peak current of 4500A.

  3. How does V140LA20C provide overvoltage protection?

    • V140LA20C 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 V140LA20C typically used?

    • V140LA20C is commonly used in power supplies, telecommunications equipment, industrial controls, and consumer electronics to protect against transient voltage spikes.

  5. What are the advantages of using V140LA20C for overvoltage protection?

    • V140LA20C offers fast response times, high surge current capability, and low leakage current, making it an effective solution for protecting electronic devices.

  6. How should V140LA20C be connected in a circuit?

    • V140LA20C should be connected in parallel with the device or circuit that requires protection, ensuring that it can shunt excess voltage when necessary.

  7. What are the operating temperature and storage conditions for V140LA20C?

    • V140LA20C is designed to operate 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 V140LA20C be used for outdoor applications?

    • Yes, V140LA20C is suitable for outdoor applications, but it should be housed in a protective enclosure to shield it from environmental factors such as moisture and dust.

  9. Are there any reliability tests or certifications for V140LA20C?

    • V140LA20C may undergo testing for compliance with standards such as UL, CSA, and IEC to ensure its reliability and safety in various applications.

  10. What precautions should be taken when replacing V140LA20C in a circuit?

    • When replacing V140LA20C, it is important to ensure that the new component has similar or better electrical characteristics and to follow proper ESD handling procedures to prevent damage during installation.