Littelfuse Inc.
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V550LA80C
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V550LA80C

Product Category

The V550LA80C belongs to the category of metal oxide varistors (MOVs).

Basic Information Overview

  • Use: The V550LA80C is used for transient voltage suppression in electronic circuits.
  • Characteristics: It has high energy absorption capability and fast response time.
  • Package: The V550LA80C is available in a disc package.
  • Essence: Its essence lies in providing protection against voltage surges.
  • Packaging/Quantity: Typically, it is packaged in reels or bulk quantities.

Specifications

  • Voltage Rating: 550V
  • Peak Current Rating: 10kA
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 1000pF

Detailed Pin Configuration

The V550LA80C typically has two leads for connection. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltages to protect sensitive electronic components.
  • Fast Response Time: Rapidly responds to voltage spikes, safeguarding the circuitry.

Advantages and Disadvantages

  • Advantages:
    • High energy absorption capacity
    • Fast response to transient voltage
    • Wide operating temperature range
  • Disadvantages:
    • Limited capacitance value
    • Requires proper installation for optimal performance

Working Principles

The V550LA80C operates based on the principle of varistor action, where its resistance decreases with increasing voltage, thereby diverting excess current away from the protected circuit.

Detailed Application Field Plans

The V550LA80C finds extensive use in various applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V550LA80C include: - V130LA20A - V275LA20AP - V320LA20A

In conclusion, the V550LA80C is a vital component in protecting electronic circuits from voltage surges, offering high energy absorption and fast response time. Its application spans across diverse industries, making it an essential part of modern electronic systems.

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  1. What is the V550LA80C?

    • The V550LA80C is a metal oxide varistor (MOV) component used for transient voltage suppression in electrical circuits.

  2. What are the key features of the V550LA80C?

    • The V550LA80C offers high surge current capability, low leakage current, and fast response to transient voltage spikes.

  3. What are the typical applications of the V550LA80C?

    • The V550LA80C is commonly used in power supplies, motor drives, lighting systems, and other electronic devices to protect against voltage surges and transients.

  4. How does the V550LA80C provide overvoltage protection?

    • The V550LA80C clamps excessive voltage levels by diverting surge currents away from sensitive components, thereby safeguarding the circuitry.

  5. What is the maximum energy absorption capability of the V550LA80C?

    • The V550LA80C can absorb significant amounts of energy during transient events, making it suitable for protecting sensitive electronics.

  6. What are the operating temperature and voltage ranges for the V550LA80C?

    • The V550LA80C typically operates within a temperature range of -40°C to 85°C and can handle voltages up to 550V.

  7. How does the V550LA80C compare to other MOV components in terms of performance?

    • The V550LA80C offers a balance of high surge current handling and low leakage current, making it a reliable choice for many applications.

  8. Can the V550LA80C be used in both AC and DC circuits?

    • Yes, the V550LA80C is suitable for use in both AC and DC circuits, providing versatile overvoltage protection.

  9. Are there any specific mounting or installation considerations for the V550LA80C?

    • The V550LA80C should be mounted securely and connected according to the manufacturer's guidelines to ensure proper functionality.

  10. What are some potential failure modes or limitations of the V550LA80C?

    • Overheating due to prolonged exposure to high transient currents and degradation over time due to repeated transient events are potential failure modes to consider. Regular testing and replacement may be necessary in high-stress environments.