Littelfuse Inc.
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ROV05H471K-S
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ROV05H471K-S

Product Overview

Category

The ROV05H471K-S belongs to the category of electronic components, specifically a varistor.

Use

It is used to protect electronic circuits from overvoltage and transient voltage spikes.

Characteristics

  • High energy absorption capability
  • Fast response time
  • Wide operating temperature range
  • Reliable performance

Package

The ROV05H471K-S is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to safeguard sensitive electronic components from voltage surges.

Packaging/Quantity

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

Specifications

  • Voltage Rating: 470V
  • Maximum Allowable Voltage: 775V
  • Peak Current (8/20µs): 2500A
  • Energy (10/1000µs): 2.5J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The ROV05H471K-S has two leads, typically denoted as anode and cathode, for connection within the circuit.

Functional Features

  • Overvoltage Protection: Safeguards connected devices from voltage spikes.
  • Fast Response Time: Quickly clamps excessive voltages to protect downstream components.
  • Reliable Performance: Consistent protection against transient voltage events.

Advantages

  • Effective protection against voltage transients
  • Wide operating temperature range
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited lifespan after repeated exposure to high-energy transients
  • Requires periodic monitoring and potential replacement in high-stress environments

Working Principles

The varistor operates by exhibiting a non-linear resistance characteristic, effectively clamping excessive voltages to protect the connected circuitry.

Detailed Application Field Plans

The ROV05H471K-S finds application in various electronic systems, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • ROV10H471K: Higher energy absorption capability
  • ROV20H471K: Enhanced surge protection for industrial applications
  • ROV05H331K: Lower voltage rating for less demanding environments

In conclusion, the ROV05H471K-S varistor serves as a crucial component in protecting electronic circuits from voltage surges, offering reliable performance and fast response times. Its wide application field and availability of alternative models make it a versatile choice for engineers seeking robust overvoltage protection in their designs.

Énumérez 10 questions et réponses courantes liées à l'application de ROV05H471K-S dans les solutions techniques

  1. What is the ROV05H471K-S used for?

    • The ROV05H471K-S is a varistor, commonly used to protect electronic circuits from voltage surges and transient overvoltage conditions.

  2. What is the maximum voltage rating of the ROV05H471K-S?

    • The ROV05H471K-S has a maximum voltage rating of 470V.

  3. What is the maximum energy absorption capability of the ROV05H471K-S?

    • The ROV05H471K-S can absorb up to 0.1J of energy during a transient overvoltage event.

  4. Can the ROV05H471K-S be used in automotive applications?

    • Yes, the ROV05H471K-S is suitable for use in automotive electronics to protect against voltage transients.

  5. Is the ROV05H471K-S suitable for use in power supply units?

    • Yes, the ROV05H471K-S can be used in power supply units to safeguard against voltage spikes.

  6. What is the operating temperature range of the ROV05H471K-S?

    • The ROV05H471K-S has an operating temperature range of -40°C to 85°C.

  7. Can the ROV05H471K-S be used in industrial control systems?

    • Absolutely, the ROV05H471K-S is commonly employed in industrial control systems to protect sensitive electronics.

  8. Does the ROV05H471K-S require any additional heat sinking or cooling?

    • No, the ROV05H471K-S does not require additional heat sinking or cooling under normal operating conditions.

  9. What are the typical applications for the ROV05H471K-S?

    • Typical applications include surge protection in consumer electronics, telecommunications equipment, and industrial machinery.

  10. Is the ROV05H471K-S RoHS compliant?

    • Yes, the ROV05H471K-S is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.