Littelfuse Inc.
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ROV10H471K-S
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ROV10H471K-S

Introduction

The ROV10H471K-S belongs to the category of varistors and is commonly used for surge protection in electronic circuits. This component exhibits specific characteristics, comes in a particular package, and has unique functional features that make it suitable for various applications.

Basic Information Overview

  • Category: Varistor
  • Use: Surge protection in electronic circuits
  • Characteristics: High energy absorption capacity, fast response time
  • Package: Radial leaded disc
  • Essence: Protection against voltage surges and transients
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 470V
  • Nominal Diameter: 10mm
  • Maximum Allowable Voltage: 775V
  • Peak Current (8/20μs): 4500A
  • Energy (10/1000μs): 1.2J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV10H471K-S varistor typically has two radial leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast Response Time: Rapidly clamps transient overvoltages to protect sensitive electronic components.
  • High Energy Absorption Capacity: Effectively dissipates surge energy to safeguard the circuitry.
  • Reliable Performance: Ensures consistent protection over multiple surge events.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited maximum allowable voltage
  • Requires careful consideration of application voltage levels

Working Principles

The ROV10H471K-S operates based on the principle of voltage-dependent resistance. When subjected to a surge or transient voltage, the varistor's resistance decreases significantly, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The ROV10H471K-S varistor finds application in various fields, including: - Power supply units - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • ROV10H431K-S: Similar varistor with lower voltage rating
  • ROV10H511K-S: Similar varistor with higher voltage rating
  • ROV14H471K-S: Larger diameter varistor with similar specifications

In conclusion, the ROV10H471K-S varistor offers reliable surge protection for electronic circuits, with its fast response time and high energy absorption capacity making it suitable for diverse applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ROV10H471K-S dalam solusi teknis

  1. What is the ROV10H471K-S?

    • The ROV10H471K-S is a radial leaded varistor designed for overvoltage protection in various electronic and electrical applications.

  2. What are the key features of the ROV10H471K-S?

    • The ROV10H471K-S features a high surge current capability, fast response time, and excellent energy absorption capability, making it suitable for robust overvoltage protection.

  3. In what technical solutions can the ROV10H471K-S be used?

    • The ROV10H471K-S can be used in power supplies, industrial equipment, automotive electronics, telecommunications, and other applications requiring transient voltage suppression.

  4. How does the ROV10H471K-S provide overvoltage protection?

    • The ROV10H471K-S acts as a voltage-dependent resistor, clamping excessive voltage levels to protect sensitive components from damage due to transient voltage spikes.

  5. What is the operating voltage range of the ROV10H471K-S?

    • The ROV10H471K-S has an operating voltage range from 360V to 460V.

  6. What is the maximum surge current capability of the ROV10H471K-S?

    • The ROV10H471K-S has a maximum surge current capability of 8000A.

  7. Is the ROV10H471K-S suitable for use in harsh environments?

    • Yes, the ROV10H471K-S is designed to withstand harsh environmental conditions and is suitable for use in rugged industrial applications.

  8. Can the ROV10H471K-S be used for both AC and DC applications?

    • Yes, the ROV10H471K-S is suitable for both AC and DC overvoltage protection applications.

  9. What are the recommended mounting and soldering techniques for the ROV10H471K-S?

    • The ROV10H471K-S should be mounted with adequate clearance and soldered using industry-standard reflow or wave soldering processes.

  10. Where can I find detailed specifications and application guidelines for the ROV10H471K-S?

    • Detailed specifications and application guidelines for the ROV10H471K-S can be found in the product datasheet provided by the manufacturer.