Littelfuse Inc.
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V270RA22X2749

V270RA22X2749 Product Overview

Introduction

The V270RA22X2749 is a specialized electronic component designed for use in various electrical and electronic applications. This entry provides an in-depth overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Overvoltage Protection
  • Characteristics: High Energy Absorption, Fast Response Time
  • Package: Radial Lead
  • Essence: Protects against voltage surges
  • Packaging/Quantity: Bulk packaging, quantity varies

Specifications

  • Voltage Rating: 270V
  • Energy Absorption: 22J
  • Dimensions: 2.7mm x 7.4mm
  • Lead Spacing: 5.0mm
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The V270RA22X2749 features a radial lead package with two leads for easy integration into circuit designs. The detailed pin configuration includes the lead placement and polarity markings for proper installation.

Functional Features

  • Overvoltage Protection: Safeguards connected circuits from voltage spikes and surges.
  • Fast Response Time: Rapidly clamps excessive voltages to protect sensitive components.
  • High Energy Absorption: Capable of dissipating significant energy during transient events.

Advantages and Disadvantages

Advantages

  • Effective overvoltage protection
  • Compact size for space-constrained applications
  • Reliable performance under varying environmental conditions

Disadvantages

  • Limited energy absorption compared to higher-rated devices
  • Requires proper circuit design for optimal performance

Working Principles

The V270RA22X2749 operates based on the principle of varistor technology, where it exhibits a high resistance at normal operating voltages and rapidly switches to a low resistance state when subjected to overvoltage conditions. This behavior effectively diverts excess energy away from sensitive components, protecting them from damage.

Detailed Application Field Plans

The V270RA22X2749 finds extensive use in various electronic and electrical systems, including: - Power Supplies - Telecommunication Equipment - Industrial Control Systems - Consumer Electronics - Automotive Electronics

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or energy absorption capabilities, alternative models include: - V130LA20A: 130V, 20J - V420LA10P: 420V, 10J - V680LA80BP: 680V, 80J - V150LA20A: 150V, 20J

In conclusion, the V270RA22X2749 offers reliable overvoltage protection with its fast response time and high energy absorption characteristics. Its compact design and versatile application field make it a valuable component in various electronic systems.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням V270RA22X2749 у технічних рішеннях

  1. What is V270RA22X2749?

    • V270RA22X2749 is a type of varistor, which is an electronic component used to protect circuits from overvoltage conditions.

  2. How does V270RA22X2749 work?

    • V270RA22X2749 works by rapidly changing its resistance in response to changes in voltage, effectively diverting excess voltage away from sensitive components.

  3. What are the typical applications of V270RA22X2749?

    • V270RA22X2749 is commonly used in power supplies, industrial equipment, consumer electronics, and automotive systems to protect against voltage spikes and surges.

  4. What are the key specifications of V270RA22X2749?

    • The key specifications of V270RA22X2749 include its maximum voltage rating, energy absorption capability, response time, and operating temperature range.

  5. How do I select the right V270RA22X2749 for my application?

    • Selecting the right V270RA22X2749 involves considering the maximum voltage levels, energy absorption requirements, and environmental conditions of the specific application.

  6. Are there any precautions to consider when using V270RA22X2749?

    • It's important to ensure proper mounting and electrical connections, as well as to follow manufacturer guidelines for temperature and voltage limitations.

  7. Can V270RA22X2749 be used in outdoor applications?

    • Yes, V270RA22X2749 can be used in outdoor applications, but it's essential to consider its environmental ratings and protection from moisture and contaminants.

  8. What are the alternatives to V270RA22X2749?

    • Alternatives to V270RA22X2749 include other varistors with similar voltage and energy absorption characteristics, as well as transient voltage suppressor diodes (TVS) for surge protection.

  9. How long does V270RA22X2749 last in typical usage?

    • The lifespan of V270RA22X2749 depends on the severity and frequency of voltage transients it encounters, but it is designed to provide long-term protection under normal operating conditions.

  10. Where can I purchase V270RA22X2749?

    • V270RA22X2749 can be purchased from authorized distributors, electronic component suppliers, or directly from the manufacturer's website.