Littelfuse Inc.
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V250LC4
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V250LC4

Product Overview

Category

V250LC4 belongs to the category of voltage suppressor devices.

Use

It is used to protect electronic circuits from voltage spikes and transients.

Characteristics

  • Fast response time
  • High surge current capability
  • Low clamping voltage
  • RoHS compliant

Package

V250LC4 is available in a DO-15 package.

Essence

The essence of V250LC4 lies in its ability to safeguard sensitive electronic components from voltage surges.

Packaging/Quantity

It is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 250W
  • Breakdown Voltage: 275V
  • Clamping Voltage: 455V
  • Maximum Surge Current: 5A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

V250LC4 features a two-pin configuration, with the anode and cathode connections clearly marked.

Functional Features

  • Transient voltage suppression
  • Fast response to overvoltage events
  • Low leakage current

Advantages

  • Effective protection against voltage spikes
  • Fast reaction time
  • Wide operating temperature range

Disadvantages

  • Limited surge current handling capacity compared to higher-rated models
  • Higher clamping voltage compared to some alternative models

Working Principles

When a voltage spike occurs, V250LC4 conducts the excess energy to the ground, preventing it from reaching the protected circuitry. This is achieved through the use of a semiconductor material that rapidly switches into a low-resistance state when subjected to high voltage.

Detailed Application Field Plans

V250LC4 is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to V250LC4 include: - V130LA20A - P6KE200A - 1.5KE33CA

In conclusion, V250LC4 serves as a crucial component in protecting electronic circuits from voltage surges, offering fast response times and effective transient voltage suppression. While it has certain limitations, its functional features and wide application field make it a valuable asset in various electronic systems.

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Énumérez 10 questions et réponses courantes liées à l'application de V250LC4 dans les solutions techniques

  1. What is V250LC4?

    • V250LC4 is a type of varistor, which is an electronic component used to protect circuits from overvoltage conditions.

  2. How does V250LC4 work?

    • V250LC4 varistors work by rapidly changing resistance in response to voltage changes, effectively diverting excess current away from sensitive components.

  3. What are the typical applications of V250LC4?

    • V250LC4 varistors are commonly used in surge protection devices, power supplies, and electronic equipment to safeguard against voltage spikes and surges.

  4. What is the maximum voltage rating for V250LC4?

    • The maximum voltage rating for V250LC4 is typically around 250V, making it suitable for protecting low-voltage electronic circuits.

  5. Are there any specific mounting or handling considerations for V250LC4?

    • V250LC4 varistors should be mounted securely to minimize mechanical stress and should be handled with care to avoid damage to the component.

  6. Can V250LC4 be used in outdoor applications?

    • Yes, V250LC4 varistors can be used in outdoor applications, but they should be housed in appropriate enclosures to protect them from environmental factors.

  7. What is the response time of V250LC4 to voltage surges?

    • V250LC4 varistors have a very fast response time, typically reacting to voltage surges within nanoseconds to protect connected equipment.

  8. Are there any temperature limitations for V250LC4?

    • V250LC4 varistors have specified operating temperature ranges, and it's important to ensure that they are not exposed to temperatures outside of these limits.

  9. Can V250LC4 be used in AC and DC circuits?

    • Yes, V250LC4 varistors can be used in both AC and DC circuits, providing protection against overvoltage conditions in various types of electrical systems.

  10. What are the failure modes of V250LC4?

    • V250LC4 varistors can fail due to prolonged exposure to overvoltage conditions, excessive current, or physical damage, so it's important to monitor their condition regularly.