Littelfuse Inc.
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পণ্যের বিবরণের জন্য স্পেসিফিকেশন দেখুন৷.
V420LA20APX1347

V420LA20APX1347

Product Overview

Category

The V420LA20APX1347 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions.

Use

It is used to suppress transient voltage spikes and limit the voltage across the circuit.

Characteristics

  • Voltage Rating: 420V
  • Package: Radial leaded disc
  • Essence: Metal oxide varistor
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Maximum Allowable Voltage: 420V
  • Peak Current Capability: 6500A
  • Energy (2ms): 360J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The V420LA20APX1347 has two radial leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Connection point for one end of the varistor - Pin 2: Connection point for the other end of the varistor

Functional Features

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

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to specific voltage ratings
  • Can degrade over time with repeated exposure to overvoltage conditions

Working Principles

The V420LA20APX1347 operates based on the principle of varistor action, where its resistance decreases as the voltage across it increases. This allows it to divert excess current away from the protected circuit, preventing damage.

Detailed Application Field Plans

The V420LA20APX1347 is commonly used in various applications such as: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V420LA20APX1347 include: - V275LA20AP - V130LA20AP - V680LA20AP

In summary, the V420LA20APX1347 is a vital component in protecting electronic circuits from overvoltage events, offering reliable transient voltage suppression and fast response times. Its characteristics, specifications, and application field plans make it suitable for a wide range of electronic devices and systems.

Word Count: 346

প্রযুক্তিগত সমাধানে V420LA20APX1347 এর প্রয়োগ সম্পর্কিত 10টি সাধারণ প্রশ্ন ও উত্তর তালিকাভুক্ত করুন

  1. What is the V420LA20APX1347?

    • The V420LA20APX1347 is a metal oxide varistor (MOV) component used for transient voltage suppression in electronic circuits.

  2. What are the key specifications of the V420LA20APX1347?

    • The V420LA20APX1347 has a maximum AC voltage of 250V, a maximum DC voltage of 320V, and a peak current of 6500A.

  3. How does the V420LA20APX1347 work in technical solutions?

    • The V420LA20APX1347 protects electronic devices by clamping excessive voltage and diverting surge currents away from sensitive components.

  4. In what applications is the V420LA20APX1347 commonly used?

    • The V420LA20APX1347 is commonly used in power supplies, industrial equipment, telecommunications, and consumer electronics to protect against voltage spikes.

  5. What are the advantages of using the V420LA20APX1347 in technical solutions?

    • The V420LA20APX1347 offers fast response times, high surge current capability, and reliability in suppressing transient overvoltage events.

  6. What are the potential limitations or considerations when using the V420LA20APX1347?

    • Users should consider the operating temperature range, derating guidelines, and proper mounting techniques to ensure optimal performance.

  7. How can the V420LA20APX1347 be integrated into a circuit design?

    • The V420LA20APX1347 can be directly connected across the input power lines or in parallel with sensitive components to provide protection.

  8. Are there any specific testing or certification standards associated with the V420LA20APX1347?

    • The V420LA20APX1347 may comply with industry standards such as UL, CSA, and IEC for safety and performance requirements.

  9. What are the typical failure modes of the V420LA20APX1347?

    • The V420LA20APX1347 may degrade over time due to repeated surges, so monitoring its clamping voltage and replacing it when necessary is important.

  10. Where can I purchase the V420LA20APX1347 for my technical solution needs?

    • The V420LA20APX1347 can be sourced from authorized distributors or directly from the manufacturer to ensure authenticity and quality.