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ROV20H471K-S-2
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ROV20H471K-S-2

Product Overview

Category

The ROV20H471K-S-2 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage surges.

Use

It is primarily used for transient voltage suppression and surge protection in various electronic and electrical systems.

Characteristics

  • High energy absorption capacity
  • Fast response time
  • Wide operating temperature range
  • Reliable performance
  • Compact size

Package

The ROV20H471K-S-2 is typically available in a cylindrical package with leads for easy integration into circuit boards.

Essence

The essence of the ROV20H471K-S-2 lies in its ability to effectively limit transient overvoltage and protect sensitive electronic components.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

  • Maximum Allowable Voltage: 470V
  • Energy Absorption: 20J
  • Peak Current (8/20μs): 6000A
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 470pF
  • Nominal Voltage: 275V

Detailed Pin Configuration

The ROV20H471K-S-2 typically has two leads for connection to the circuit. The pin configuration is as follows: 1. Pin 1: Anode 2. Pin 2: Cathode

Functional Features

  • Rapid response to voltage spikes
  • Absorption of high-energy transients
  • Low leakage current
  • Stable and reliable operation

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range
  • Compact design for easy integration

Disadvantages

  • Limited lifespan after multiple surge events
  • Susceptible to thermal runaway under extreme conditions

Working Principles

The ROV20H471K-S-2 operates based on the principle of nonlinear resistance, where its resistance decreases with increasing voltage, thereby diverting excess current away from the protected circuit.

Detailed Application Field Plans

The ROV20H471K-S-2 is commonly used in: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the ROV20H471K-S-2 include: - ROV10H221K-S-2 - ROV14H391K-S-2 - ROV17H431K-S-2 - ROV25H561K-S-2

In conclusion, the ROV20H471K-S-2 varistor offers reliable transient voltage suppression and surge protection, making it an essential component in various electronic and electrical systems.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem ROV20H471K-S-2 w rozwiązaniach technicznych

  1. What is the ROV20H471K-S-2 used for?

    • The ROV20H471K-S-2 is a varistor, commonly used for surge protection in electronic circuits.

  2. What are the key specifications of the ROV20H471K-S-2?

    • The ROV20H471K-S-2 has a voltage rating of 470V and a maximum peak current of 8000A.

  3. How does the ROV20H471K-S-2 provide surge protection?

    • The varistor material in the ROV20H471K-S-2 exhibits a non-linear resistance that decreases with increasing voltage, effectively shunting excess voltage away from sensitive components.

  4. In what types of technical solutions can the ROV20H471K-S-2 be used?

    • The ROV20H471K-S-2 can be used in power supplies, industrial equipment, telecommunications devices, and other electronic systems requiring surge protection.

  5. What are the mounting options for the ROV20H471K-S-2?

    • The ROV20H471K-S-2 is available in surface mount and through-hole configurations, providing flexibility for different PCB layouts.

  6. Is the ROV20H471K-S-2 suitable for outdoor applications?

    • Yes, the ROV20H471K-S-2 is designed to withstand outdoor conditions and is suitable for use in outdoor equipment.

  7. What is the operating temperature range of the ROV20H471K-S-2?

    • The ROV20H471K-S-2 has an operating temperature range of -40°C to 85°C, making it suitable for a wide range of environments.

  8. Can the ROV20H471K-S-2 be used in high-voltage applications?

    • Yes, the ROV20H471K-S-2 is rated for up to 470V, making it suitable for high-voltage applications within its specified limits.

  9. Does the ROV20H471K-S-2 require any additional protective components?

    • In most cases, the ROV20H471K-S-2 can provide sufficient surge protection on its own, but its use in a circuit should be evaluated based on specific application requirements.

  10. Are there any reliability certifications or standards compliance for the ROV20H471K-S-2?

    • The ROV20H471K-S-2 complies with relevant industry standards and may have certifications such as UL, CSA, or VDE, ensuring its reliability and safety in technical solutions.