Littelfuse Inc.
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V175LA20A
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V175LA20A

Product Overview

Category

The V175LA20A belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

It is used to protect sensitive electronic devices and circuits from transient overvoltage conditions.

Characteristics

  • Fast response time
  • High energy absorption capability
  • Wide operating temperature range
  • Reliable performance

Package

The V175LA20A is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the V175LA20A lies in its ability to limit excessive voltage spikes and protect connected equipment.

Packaging/Quantity

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

Specifications

  • Maximum Allowable Voltage: 175V
  • Peak Current Capability: 4500A
  • Energy Absorption: 100J
  • Operating Temperature Range: -40°C to 85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The V175LA20A typically has two leads, with the pin configuration as follows: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Non-linear voltage-current characteristics
  • Rapid response to voltage transients
  • Low leakage current
  • High surge current handling capability

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range
  • High energy absorption capability

Disadvantages

  • Limited lifespan after multiple surge events
  • Susceptible to thermal runaway under extreme conditions

Working Principles

The V175LA20A operates based on the principle of varistor action, where its resistance decreases with increasing voltage, thereby diverting excess current away from sensitive components.

Detailed Application Field Plans

The V175LA20A finds extensive use in various applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the V175LA20A include: - V130LA20A - V250LA20A - V175LA10A - V175LA40A

In conclusion, the V175LA20A varistor serves as a crucial component in safeguarding electronic equipment from voltage surges, offering reliable protection and performance across diverse applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací V175LA20A v technických řešeních

  1. What is the V175LA20A varistor used for?

    • The V175LA20A varistor is commonly used for overvoltage protection in various technical solutions.

  2. What are the key specifications of the V175LA20A varistor?

    • The V175LA20A varistor has a maximum AC voltage of 130V, a maximum DC voltage of 175V, and a peak current of 4500A.

  3. How does the V175LA20A varistor provide overvoltage protection?

    • The V175LA20A varistor protects against overvoltage by rapidly changing its resistance in response to voltage spikes, diverting excess current away from sensitive components.

  4. In what applications is the V175LA20A varistor commonly used?

    • The V175LA20A varistor is often used in power supplies, industrial equipment, consumer electronics, and telecommunications devices.

  5. What is the operating temperature range of the V175LA20A varistor?

    • The V175LA20A varistor can operate within a temperature range of -40°C to 85°C.

  6. How does the V175LA20A varistor compare to other varistors in terms of performance?

    • The V175LA20A varistor offers high surge current capability and excellent energy absorption capacity compared to many other varistors.

  7. Can the V175LA20A varistor be used in both AC and DC circuits?

    • Yes, the V175LA20A varistor is suitable for use in both AC and DC circuits.

  8. What are the potential failure modes of the V175LA20A varistor?

    • The V175LA20A varistor may fail due to prolonged exposure to overvoltage conditions or excessive current surges.

  9. Are there any recommended mounting or installation considerations for the V175LA20A varistor?

    • It is recommended to mount the V175LA20A varistor close to the protected circuit and to ensure proper grounding for effective overvoltage protection.

  10. Where can I find detailed technical documentation for the V175LA20A varistor?

    • Detailed technical documentation for the V175LA20A varistor can be found on the manufacturer's website or by contacting their technical support team.