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ROV07H471K-S
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ROV07H471K-S

Introduction

The ROV07H471K-S is a component belonging to the category of varistors, commonly used for voltage regulation and surge protection in electronic circuits. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Varistor
  • Use: Voltage regulation and surge protection in electronic circuits
  • Characteristics: High energy absorption capability, fast response time
  • Package: Radial leaded disc
  • Essence: Provides protection against transient overvoltage conditions
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Model: ROV07H471K-S
  • Maximum Allowable Voltage: 470V
  • Nominal Voltage: 385V
  • Peak Current (8/20µs): 4500A
  • Energy (10/1000µs): 2J
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The ROV07H471K-S typically features a radial leaded disc package with two leads for through-hole mounting. The pin configuration includes: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Surge Protection: Absorbs and dissipates transient overvoltage events
  • Voltage Regulation: Limits excessive voltage levels to protect downstream components
  • Fast Response Time: Reacts quickly to transient voltage spikes

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited maximum allowable voltage
  • Requires periodic testing for continued reliability

Working Principles

The ROV07H471K-S operates based on the principle of non-linear voltage-dependent resistance. When subjected to overvoltage conditions, the varistor's resistance decreases, allowing it to absorb and dissipate the excess energy, thereby protecting the circuit.

Detailed Application Field Plans

The ROV07H471K-S finds extensive use in various electronic applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ROV07H471K-S include: - ROV05H471K - ROV14H471K - ROV20H471K - ROV25H471K

In conclusion, the ROV07H471K-S varistor serves as a crucial component in safeguarding electronic circuits from transient overvoltage events. Its specifications, functional features, and application versatility make it a valuable asset in diverse electronic systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ROV07H471K-S i tekniska lösningar

  1. What is the ROV07H471K-S used for?

    • The ROV07H471K-S is a varistor that is commonly used for surge protection in electronic circuits.

  2. What are the key specifications of the ROV07H471K-S?

    • The ROV07H471K-S has a voltage rating of 470V and a maximum peak current of 8000A.

  3. How does the ROV07H471K-S provide surge protection?

    • The varistor material in the ROV07H471K-S has a high resistance at normal operating voltages, but quickly changes to a low resistance state when a surge voltage is applied, diverting the excess current away from sensitive components.

  4. In what applications can the ROV07H471K-S be used?

    • The ROV07H471K-S is commonly used in power supplies, industrial equipment, and consumer electronics for surge protection.

  5. What are the advantages of using the ROV07H471K-S for surge protection?

    • The ROV07H471K-S offers fast response to surge events, high energy absorption capability, and compact size, making it suitable for various technical solutions.

  6. How should the ROV07H471K-S be connected in a circuit?

    • The ROV07H471K-S should be connected in parallel with the load or equipment requiring surge protection, ensuring that it can shunt excess voltage and current.

  7. What are the temperature and humidity considerations for the ROV07H471K-S?

    • The ROV07H471K-S operates within a specified temperature range and humidity level, typically between -40°C to +85°C and 85% relative humidity.

  8. Is the ROV07H471K-S RoHS compliant?

    • Yes, the ROV07H471K-S is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental friendliness.

  9. Can the ROV07H471K-S be used for outdoor applications?

    • The ROV07H471K-S can be used in outdoor applications, provided it is housed in an appropriate enclosure to protect it from environmental elements.

  10. Are there any recommended test procedures for verifying the performance of the ROV07H471K-S?

    • Standard surge tests, such as those outlined in IEC 61000-4-5, can be used to verify the surge protection performance of the ROV07H471K-S.