Littelfuse Inc.
Kuva saattaa olla esitys.
Katso tuotteen tekniset tiedot.
V480LA40A
Näytä Yksityiskohdat DataSheets

V480LA40A

Product Overview

Category

V480LA40A belongs to the category of metal oxide varistors (MOVs).

Use

It is used for surge protection in various electronic and electrical systems.

Characteristics

  • Voltage Rating: 480V
  • Peak Current: 10kA
  • Response Time: <25ns
  • Operating Temperature: -40°C to +85°C

Package

The V480LA40A is available in a disc package.

Essence

The essence of V480LA40A lies in its ability to protect sensitive electronic components from voltage surges and transients.

Packaging/Quantity

Typically, the V480LA40A is packaged in reels or bulk quantities depending on the manufacturer's specifications.

Specifications

  • Voltage Rating: 480V
  • Maximum Allowable Voltage: 775V
  • Peak Current: 10kA
  • Energy (10/1000μs): 250J
  • Capacitance: 1000pF
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The V480LA40A typically has two leads for connection. The pin configuration is as follows: 1. Lead 1: Connected to the anode 2. Lead 2: Connected to the cathode

Functional Features

  • Surge Protection: Provides reliable protection against voltage surges and transients.
  • Fast Response Time: Responds to transient events in less than 25 nanoseconds.
  • High Energy Absorption: Capable of absorbing high levels of energy during surge events.

Advantages

  • Effective surge protection for sensitive electronic equipment.
  • Fast response time ensures minimal damage to protected devices.
  • Wide operating temperature range allows for versatile application.

Disadvantages

  • Limited to specific voltage and current ratings.
  • May degrade over time with repeated surge events.

Working Principles

The V480LA40A operates based on the principle of nonlinear voltage-dependent resistance. When subjected to a surge or transient event, the MOV's resistance decreases, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The V480LA40A is commonly used in the following applications: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics - Lighting systems

Detailed and Complete Alternative Models

Some alternative models to V480LA40A include: - V130LA20A - V250LA40B - V320LA40A - V510LA40A

In conclusion, the V480LA40A is a vital component in safeguarding electronic and electrical systems from damaging voltage surges and transients. Its fast response time, high energy absorption, and wide operating temperature range make it a preferred choice for surge protection in various applications.

[Word Count: 410]

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät V480LA40A :n soveltamiseen teknisissä ratkaisuissa

  1. What is the V480LA40A?

    • The V480LA40A is a metal oxide varistor (MOV) component used for transient voltage suppression in electrical circuits.

  2. What are the key specifications of the V480LA40A?

    • The V480LA40A has a maximum AC voltage of 300V, a maximum DC voltage of 385V, and a peak current of 10kA.

  3. How does the V480LA40A protect electronic equipment?

    • The V480LA40A suppresses voltage spikes by diverting excess current away from sensitive components, safeguarding them from damage.

  4. In what applications is the V480LA40A commonly used?

    • The V480LA40A is frequently employed in power supplies, industrial equipment, telecommunications systems, and consumer electronics to protect against voltage surges.

  5. What is the operating temperature range of the V480LA40A?

    • The V480LA40A can operate within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

  6. How is the V480LA40A installed in a circuit?

    • The V480LA40A is typically connected in parallel with the load and is designed to shunt excess voltage when triggered.

  7. What is the lifespan of the V480LA40A?

    • The V480LA40A has a long operational life under normal operating conditions, providing reliable protection over an extended period.

  8. Can the V480LA40A be used in both AC and DC circuits?

    • Yes, the V480LA40A is designed to function effectively in both AC and DC applications, offering versatile protection.

  9. Are there any precautions to consider when using the V480LA40A?

    • It's important to ensure proper grounding and to follow manufacturer guidelines for installation to maximize the effectiveness of the V480LA40A.

  10. Where can I purchase the V480LA40A?

    • The V480LA40A can be obtained from authorized distributors or directly from the manufacturer, ensuring genuine and reliable components for your technical solutions.