Littelfuse Inc.
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ROV05H201K
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ROV05H201K Product Overview

Introduction

The ROV05H201K is a vital component belonging to the category of varistors, commonly used in electronic circuits for voltage regulation and surge protection. This entry will provide an in-depth overview of the ROV05H201K, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Varistor
  • Use: Voltage regulation and surge protection in electronic circuits
  • Characteristics: High energy absorption capacity, fast response time, compact size
  • Package: Radial leaded disc
  • Essence: Protects electronic devices from voltage surges
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 200V
  • Maximum Allowable Voltage: 130V
  • Peak Current (8/20µs): 4500A
  • Energy (10/1000µs): 0.1J
  • Operating Temperature Range: -40°C to +85°C
  • Dimensions: 5mm diameter

Detailed Pin Configuration

The ROV05H201K typically features two radial leads for easy integration into circuit boards. The pin configuration includes: - Pin 1: Connection point for one end of the varistor - Pin 2: Connection point for the other end of the varistor

Functional Features

  • Surge Protection: Absorbs excess voltage to protect connected devices
  • Voltage Regulation: Stabilizes voltage levels within electronic circuits
  • Fast Response Time: Rapidly responds to voltage spikes to prevent damage

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Compact size for easy integration
  • Fast response time

Disadvantages

  • Limited maximum allowable voltage
  • Requires proper heat dissipation in high-power applications

Working Principles

The ROV05H201K operates based on the principle of voltage-dependent resistance. When subjected to excessive voltage, the varistor's resistance decreases, allowing it to absorb the excess energy and protect the connected circuitry.

Detailed Application Field Plans

The ROV05H201K finds extensive use in various electronic applications, including: - Power supplies - Consumer electronics - Industrial equipment - Telecommunications devices - Automotive electronics

Detailed and Complete Alternative Models

Several alternative varistor models can be considered as substitutes for the ROV05H201K, including: - MOV-07D201K - VDRS05H201BSE - ERZ-V05D201

In conclusion, the ROV05H201K varistor serves as a crucial component in electronic circuits, providing essential surge protection and voltage regulation capabilities. Its compact size, high energy absorption capacity, and fast response time make it a valuable asset in diverse electronic applications.

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Énumérez 10 questions et réponses courantes liées à l'application de ROV05H201K dans les solutions techniques

  1. What is the ROV05H201K component used for in technical solutions?

    • The ROV05H201K is a varistor that is commonly used for overvoltage protection in electronic circuits.

  2. What are the key specifications of the ROV05H201K?

    • The ROV05H201K has a voltage rating of 200V, a maximum peak current of 4500A, and a clamping voltage of 360V.

  3. How does the ROV05H201K provide overvoltage protection?

    • When an overvoltage event occurs, the ROV05H201K conducts current to divert excess energy away from sensitive components, thereby protecting them from damage.

  4. In what types of applications is the ROV05H201K commonly used?

    • The ROV05H201K is often used in power supplies, industrial equipment, consumer electronics, and automotive systems to safeguard against voltage spikes.

  5. What are the advantages of using the ROV05H201K for overvoltage protection?

    • The ROV05H201K offers fast response times, high surge current capability, and reliability, making it an effective solution for overvoltage protection.

  6. Are there any limitations or considerations when using the ROV05H201K?

    • It's important to ensure that the ROV05H201K is properly rated for the specific application and that it is installed according to manufacturer guidelines to maximize its effectiveness.

  7. Can the ROV05H201K be used in both AC and DC circuits?

    • Yes, the ROV05H201K is suitable for use in both AC and DC circuits, providing versatile overvoltage protection.

  8. How does the ROV05H201K compare to other varistors on the market?

    • The ROV05H201K offers a balance of performance, cost-effectiveness, and reliability, making it a popular choice for many applications.

  9. What are the typical failure modes of the ROV05H201K?

    • The most common failure mode for the ROV05H201K is thermal runaway under sustained overvoltage conditions, which can lead to degradation or catastrophic failure.

  10. Where can I find detailed application notes or guidelines for using the ROV05H201K in technical solutions?

    • Detailed application notes and guidelines for the ROV05H201K can be found in the component's datasheet provided by the manufacturer, as well as in industry-specific technical resources and forums.