Littelfuse Inc.
Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
V275LA20C
Lihat Detail Lembar Data

V275LA20C

Product Overview

Category

V275LA20C belongs to the category of metal oxide varistors (MOVs).

Use

It is used for transient voltage suppression in electronic circuits.

Characteristics

  • Fast response time
  • High surge current capability
  • Low leakage current
  • Wide operating voltage range

Package

The V275LA20C comes in a radial leaded package.

Essence

The essence of V275LA20C lies in its ability to protect electronic devices from voltage surges and transients.

Packaging/Quantity

It is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

  • Maximum Allowable Voltage: 275V
  • Peak Current Capability: 4500A
  • Energy Rating: 6J
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 1000pF

Detailed Pin Configuration

The V275LA20C has two leads, typically denoted as anode and cathode. The pin configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

  • Clamping of transient overvoltages
  • Absorption of transient energy
  • Protection of sensitive electronic components

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

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

Working Principles

V275LA20C operates based on the principle of nonlinear voltage-dependent resistance. When a transient voltage surge occurs, the MOV conducts current, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

Consumer Electronics

  • Surge protection for televisions, home theaters, and gaming consoles
  • Power strip surge suppression

Industrial Equipment

  • Protection of control panels and PLCs
  • Surge suppression in motor drives and power supplies

Telecommunications

  • Surge protection for network equipment and communication systems

Detailed and Complete Alternative Models

  • V130LA20C: Lower voltage rating variant
  • V320LA20C: Higher voltage rating variant
  • S20K275: Surface mount alternative with similar specifications

In conclusion, the V275LA20C metal oxide varistor offers reliable transient voltage suppression for a wide range of applications, providing essential protection for sensitive electronic devices.

[Word count: 410]

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan V275LA20C dalam solusi teknis

  1. What is the V275LA20C?

    • The V275LA20C is a metal oxide varistor (MOV) that is commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the V275LA20C?

    • The V275LA20C has a maximum AC voltage of 175V, a maximum DC voltage of 225V, and a peak current of 6500A.

  3. How does the V275LA20C provide overvoltage protection?

    • The V275LA20C 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 the V275LA20C commonly used?

    • The V275LA20C is often used in power supplies, telecommunications equipment, industrial controls, and other electronic devices to protect against transient voltage spikes.

  5. What are the advantages of using the V275LA20C for overvoltage protection?

    • The V275LA20C offers fast response times, high surge current capability, and reliability in protecting sensitive electronic components.

  6. How should the V275LA20C be connected in a circuit for optimal performance?

    • The V275LA20C should be connected in parallel with the load or component being protected, ensuring that it can shunt excess voltage when necessary.

  7. What are the operating temperature and storage conditions for the V275LA20C?

    • The V275LA20C typically operates 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. What is the expected lifespan of the V275LA20C in typical applications?

    • The V275LA20C has a long operational life, with a mean time to failure (MTTF) of several years under normal operating conditions.

  9. Are there any precautions to consider when using the V275LA20C?

    • It's important to ensure that the V275LA20C is not exposed to voltages exceeding its maximum ratings, as this could compromise its effectiveness and longevity.

  10. Can the V275LA20C be replaced with other varistors in a circuit?

    • While it's possible to substitute the V275LA20C with similar varistors, it's crucial to verify that the replacement meets the required specifications and performance criteria for the application.