Littelfuse Inc.
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ROV05H181K-S-2
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ROV05H181K-S-2

Product Overview

Category

The ROV05H181K-S-2 belongs to the category of electronic components, specifically varistors.

Use

It is used as a voltage-dependent resistor to protect circuits from overvoltage conditions.

Characteristics

  • Voltage-dependent nonlinear resistor
  • Protects against transient voltage spikes
  • Compact size
  • High surge current capability

Package

The ROV05H181K-S-2 is typically available in surface mount packages.

Essence

The essence of the ROV05H181K-S-2 lies in its ability to provide reliable overvoltage protection for sensitive electronic circuits.

Packaging/Quantity

It is commonly packaged in reels or trays and is available in varying quantities depending on the supplier.

Specifications

  • Maximum Allowable Voltage: 18V
  • Clamping Voltage: 30V
  • Peak Current (8/20μs): 100A
  • Energy (10/1000μs): 0.1J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV05H181K-S-2 typically has two terminals for connection, with specific pin configurations based on the manufacturer's specifications.

Functional Features

  • Fast response time to transient voltage spikes
  • Low leakage current
  • High energy absorption capability

Advantages

  • Effective protection against voltage transients
  • Compact size for space-constrained applications
  • Wide operating temperature range

Disadvantages

  • Limited maximum allowable voltage compared to some other varistor models
  • Sensitive to excessive current or power dissipation

Working Principles

The ROV05H181K-S-2 operates based on the principle of voltage-dependent resistance, where its resistance decreases as the voltage across it increases, thereby diverting excess current away from the protected circuit.

Detailed Application Field Plans

The ROV05H181K-S-2 is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ROV05H181K-S-2 include: - ROV10H181K-S-2 - ROV20H181K-S-2 - ROV05H221K-S-2

In conclusion, the ROV05H181K-S-2 varistor offers effective overvoltage protection for a wide range of electronic applications, despite its limitations in maximum allowable voltage. Its compact size, fast response time, and high surge current capability make it a valuable component in safeguarding sensitive circuits from transient voltage spikes.

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Énumérez 10 questions et réponses courantes liées à l'application de ROV05H181K-S-2 dans les solutions techniques

  1. What is the ROV05H181K-S-2 used for in technical solutions?

    • The ROV05H181K-S-2 is a varistor that is commonly used for overvoltage protection in electronic circuits.

  2. How does the ROV05H181K-S-2 provide overvoltage protection?

    • The ROV05H181K-S-2 acts as a voltage-dependent resistor, conducting current when the voltage exceeds a certain threshold, thereby protecting sensitive components from damage.

  3. What are the typical applications of the ROV05H181K-S-2 in technical solutions?

    • The ROV05H181K-S-2 is often used in power supplies, communication equipment, industrial controls, and other electronic devices to safeguard against transient voltage spikes.

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

    • The ROV05H181K-S-2 has a maximum voltage rating of 18V, making it suitable for low-voltage circuit protection.

  5. Can the ROV05H181K-S-2 be used in automotive electronics?

    • Yes, the ROV05H181K-S-2 can be employed in automotive applications to protect sensitive electronic systems from voltage surges.

  6. Does the ROV05H181K-S-2 require any special mounting considerations?

    • The ROV05H181K-S-2 is typically surface-mounted and may require appropriate thermal management to ensure reliable performance.

  7. Is the ROV05H181K-S-2 suitable for use in outdoor environments?

    • The ROV05H181K-S-2 can be used in outdoor applications provided it is housed in an appropriate protective enclosure to shield it from environmental factors.

  8. What is the response time of the ROV05H181K-S-2 to voltage transients?

    • The ROV05H181K-S-2 has a fast response time, reacting quickly to voltage spikes to divert excess energy away from sensitive components.

  9. Are there any specific storage or handling requirements for the ROV05H181K-S-2?

    • It is recommended to store and handle the ROV05H181K-S-2 according to the manufacturer's guidelines to prevent damage or degradation.

  10. Can the ROV05H181K-S-2 be used in conjunction with other protective components?

    • Yes, the ROV05H181K-S-2 can be integrated into a comprehensive overvoltage protection scheme alongside other components such as fuses, TVS diodes, and surge protectors for enhanced system resilience.