Littelfuse Inc.
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ROV05H181K-S
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ROV05H181K-S

Product Overview

Category

The ROV05H181K-S belongs to the category of varistors, which are electronic components used for voltage regulation and surge protection.

Use

This varistor is commonly used in electronic circuits to protect sensitive components from voltage spikes and transient overvoltage conditions.

Characteristics

  • Voltage Regulation: The ROV05H181K-S has the ability to regulate voltage by absorbing excess energy during transient events.
  • High Energy Absorption Capacity: This varistor can handle high levels of energy during surge events, making it suitable for demanding applications.
  • Fast Response Time: It offers a rapid response to transient voltage spikes, providing effective protection to connected devices.

Package

The ROV05H181K-S is typically available in a cylindrical package with leads for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard electronic equipment from voltage surges and transients, ensuring reliable operation and longevity of the connected devices.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on the manufacturer's specifications.

Specifications

  • Model: ROV05H181K-S
  • Maximum Allowable Voltage (AC): 130V
  • Maximum Clamping Voltage: 340V
  • Peak Current (8/20µs): 2500A
  • Nominal Varistor Voltage: 180V
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The ROV05H181K-S features two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge Protection: Provides effective protection against voltage surges and transient events.
  • Voltage Regulation: Regulates excessive voltage to prevent damage to connected devices.
  • Fast Response: Offers a rapid response time to transient voltage spikes, minimizing the risk of damage.

Advantages

  • Effective surge protection for sensitive electronic components
  • High energy absorption capacity
  • Fast response time for rapid protection

Disadvantages

  • Limited to specific voltage ranges
  • May require additional circuitry for comprehensive surge protection

Working Principles

The ROV05H181K-S operates based on the principle of varistor action, where its resistance decreases with increasing voltage, thereby diverting excess energy away from the protected circuit.

Detailed Application Field Plans

Consumer Electronics

  • Used in power supplies, televisions, and home appliances to protect against power surges.

Industrial Equipment

  • Integrated into control systems, motor drives, and industrial machinery to ensure reliable operation in harsh electrical environments.

Automotive Electronics

  • Employed in automotive control units and entertainment systems to safeguard against voltage fluctuations and transient events.

Detailed and Complete Alternative Models

  • ROV10H181K: Similar varistor with higher energy absorption capacity
  • ROV05H221K: Varistor with a slightly higher nominal voltage rating for different application requirements
  • ROV05H151K: Lower nominal voltage varistor suitable for specific voltage regulation needs

This completes the entry for the ROV05H181K-S varistor, covering its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Word Count: 491

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ROV05H181K-S у технічних рішеннях

  1. What is the ROV05H181K-S used for?

    • The ROV05H181K-S is a varistor, commonly used as a voltage suppressor to protect electronic circuits from overvoltage conditions.

  2. What is the maximum voltage rating of the ROV05H181K-S?

    • The maximum voltage rating of the ROV05H181K-S is 180V.

  3. What is the energy absorption capability of the ROV05H181K-S?

    • The ROV05H181K-S has an energy absorption capability of 0.1J.

  4. What are the typical applications of the ROV05H181K-S?

    • The ROV05H181K-S is commonly used in power supplies, consumer electronics, industrial equipment, and automotive systems for overvoltage protection.

  5. What is the response time of the ROV05H181K-S?

    • The response time of the ROV05H181K-S is very fast, typically in nanoseconds.

  6. Is the ROV05H181K-S suitable for high-temperature environments?

    • Yes, the ROV05H181K-S is designed to operate in high-temperature environments, making it suitable for various industrial applications.

  7. Can the ROV05H181K-S be used in AC and DC circuits?

    • Yes, the ROV05H181K-S can be used in both AC and DC circuits for overvoltage protection.

  8. What is the size and package type of the ROV05H181K-S?

    • The ROV05H181K-S is available in a compact surface mount package, making it suitable for space-constrained applications.

  9. Does the ROV05H181K-S require any external components for proper operation?

    • No, the ROV05H181K-S does not require any external components and can be directly integrated into the circuit for overvoltage protection.

  10. Is the ROV05H181K-S RoHS compliant?

    • Yes, the ROV05H181K-S is RoHS compliant, ensuring its environmental friendliness and compliance with regulations.