Littelfuse Inc.
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ROV05H270K-S-2
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ROV05H270K-S-2

Introduction

The ROV05H270K-S-2 is a specialized electronic component belonging to the category of varistors. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Varistors
  • Use: Surge protection in electronic circuits
  • Characteristics: High energy absorption, fast response time, compact size
  • Package: Radial leaded disc
  • Essence: Metal oxide semiconductor
  • Packaging/Quantity: Available in reels or bulk packaging

Specifications

  • Model: ROV05H270K-S-2
  • Voltage Rating: 270V
  • Nominal Discharge Current (8/20µs): 5000A
  • Peak Current (8/20µs): 10000A
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Energy (10/1000µs): 1.5J
  • Capacitance: 180pF ±10%

Detailed Pin Configuration

The ROV05H270K-S-2 varistor has a radial leaded disc package with two leads for through-hole mounting. The pin configuration includes the anode and cathode connections, which are essential for proper integration into circuit designs.

Functional Features

  • Surge Protection: Effectively absorbs high-energy transient surges
  • Fast Response Time: Rapidly clamps voltage spikes to protect sensitive components
  • Compact Size: Space-efficient design for diverse applications

Advantages and Disadvantages

Advantages

  • High energy absorption capacity
  • Fast response to transient surges
  • Compact form factor

Disadvantages

  • Limited to specific voltage ratings
  • Requires careful consideration of application requirements

Working Principles

The ROV05H270K-S-2 operates based on the metal oxide varistor (MOV) principle, where the non-linear voltage-current characteristics allow it to conduct large surge currents while limiting the voltage across the protected circuit.

Detailed Application Field Plans

The ROV05H270K-S-2 varistor finds extensive use in various electronic systems requiring surge protection. It is commonly employed in power supplies, telecommunications equipment, industrial controls, and consumer electronics to safeguard against voltage transients and lightning-induced surges.

Detailed and Complete Alternative Models

  • ROV05 Series: Includes varistors with different voltage ratings and energy absorption capabilities
  • Other Manufacturers: Various companies offer similar radial leaded disc varistors with comparable specifications, such as Littelfuse, Bourns, and TDK-EPC Corporation.

In conclusion, the ROV05H270K-S-2 varistor serves as a critical component in protecting electronic circuits from damaging voltage surges. Its high energy absorption, fast response time, and compact design make it a valuable choice for diverse applications in the electronics industry.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ROV05H270K-S-2 en soluciones técnicas

  1. What is the ROV05H270K-S-2 used for in technical solutions?

    • The ROV05H270K-S-2 is a high-voltage metal oxide varistor (MOV) that is commonly used for overvoltage protection in various technical solutions.

  2. How does the ROV05H270K-S-2 provide overvoltage protection?

    • The ROV05H270K-S-2 acts as a voltage-dependent resistor, clamping excessive voltage levels to protect sensitive electronic components from damage.

  3. What are the typical applications of the ROV05H270K-S-2 in technical solutions?

    • The ROV05H270K-S-2 is often used in power supplies, industrial equipment, telecommunications systems, and other electronic devices to safeguard against transient voltage spikes.

  4. What is the maximum voltage rating of the ROV05H270K-S-2?

    • The ROV05H270K-S-2 has a maximum voltage rating of 270V, making it suitable for protecting against moderate overvoltage events.

  5. Can the ROV05H270K-S-2 be used in outdoor applications?

    • Yes, the ROV05H270K-S-2 is designed to withstand outdoor conditions and can be utilized in outdoor technical solutions such as outdoor lighting systems and renewable energy installations.

  6. Is the ROV05H270K-S-2 suitable for use in high-power applications?

    • The ROV05H270K-S-2 is best suited for low to moderate power applications due to its voltage and energy handling capabilities.

  7. Does the ROV05H270K-S-2 require any additional protective measures when integrated into a technical solution?

    • It is recommended to incorporate proper thermal management and circuit protection to ensure the optimal performance and longevity of the ROV05H270K-S-2 in a technical solution.

  8. Are there any specific mounting or installation requirements for the ROV05H270K-S-2?

    • The ROV05H270K-S-2 can be mounted directly onto printed circuit boards (PCBs) using standard surface mount technology (SMT) processes, making it relatively easy to integrate into technical solutions.

  9. What is the expected lifespan of the ROV05H270K-S-2 in continuous operation?

    • When operated within its specified parameters, the ROV05H270K-S-2 can have a long operational lifespan, providing reliable overvoltage protection for the duration of its service life.

  10. Can the ROV05H270K-S-2 be replaced if it becomes damaged due to a voltage surge?

    • Yes, the ROV05H270K-S-2 is a replaceable component, and if it experiences a significant overvoltage event, it should be replaced to maintain the integrity of the overvoltage protection in the technical solution.