Littelfuse Inc.
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ROV20E201K
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ROV20E201K Product Overview

Introduction

The ROV20E201K is a passive electronic component belonging to the category of varistors. Varistors are voltage-dependent resistors used to protect circuits from excessive transient voltage. The ROV20E201K varistor is commonly utilized in electronic circuits to safeguard against voltage spikes and surges.

Basic Information Overview

  • Category: Varistor
  • Use: Protection against transient voltage
  • Characteristics: Voltage-dependent resistance, non-linear response to voltage changes
  • Package: Radial leaded disc
  • Essence: Voltage protection for electronic circuits
  • Packaging/Quantity: Typically packaged in reels or bulk quantities

Specifications

  • Maximum Allowable Voltage: 20V
  • Nominal Voltage: 14V
  • Peak Current (8/20μs): 100A
  • Energy (10/1000μs): 0.1J
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV20E201K varistor has a radial leaded disc package with two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Non-linear response to voltage changes
  • Rapid clamping of transient voltage spikes
  • Low leakage current under normal operating conditions

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Non-linear response may introduce distortion in some applications
  • Limited energy absorption capability compared to other surge protection devices

Working Principles

The ROV20E201K varistor operates based on the principle of voltage-dependent resistance. When subjected to a transient voltage spike, the varistor's resistance decreases rapidly, diverting the excess current away from the protected circuit.

Detailed Application Field Plans

The ROV20E201K varistor finds application in various electronic systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • ROV10E201K: Similar specifications with lower energy absorption capability
  • ROV30E201K: Higher maximum allowable voltage and energy absorption capacity

In conclusion, the ROV20E201K varistor serves as an essential component in protecting electronic circuits from transient voltage events. Its characteristics, specifications, and functional features make it suitable for a wide range of applications, despite its inherent limitations.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi ROV20E201K dalam penyelesaian teknikal

  1. What is the ROV20E201K?

    • The ROV20E201K is a varistor, also known as a voltage-dependent resistor, used to protect electronic circuits from overvoltage conditions.

  2. What is the maximum voltage rating of the ROV20E201K?

    • The maximum voltage rating of the ROV20E201K is 20V.

  3. What is the typical application of the ROV20E201K?

    • The ROV20E201K is commonly used in technical solutions to protect sensitive electronic components and circuits from transient voltage spikes and surges.

  4. How does the ROV20E201K provide protection against overvoltage?

    • The ROV20E201K acts as a shunt to divert excess voltage away from the protected circuit, thereby preventing damage due to overvoltage conditions.

  5. What are the key specifications of the ROV20E201K?

    • The key specifications of the ROV20E201K include its maximum voltage rating, energy absorption capability, response time, and operating temperature range.

  6. Can the ROV20E201K be used in automotive applications?

    • Yes, the ROV20E201K can be used in automotive applications to protect electronic systems from voltage transients and surges.

  7. Is the ROV20E201K suitable for use in industrial control systems?

    • Yes, the ROV20E201K is suitable for use in industrial control systems to safeguard sensitive electronics from overvoltage events.

  8. What are the recommended mounting and soldering techniques for the ROV20E201K?

    • The ROV20E201K can be surface-mounted or through-hole mounted, and it should be soldered using appropriate temperature profiles and techniques to ensure reliable performance.

  9. Are there any derating guidelines for the ROV20E201K?

    • Yes, it is important to follow derating guidelines to ensure that the ROV20E201K operates within its specified parameters, especially at elevated temperatures.

  10. Where can I find detailed application notes for integrating the ROV20E201K into my technical solution?

    • Detailed application notes for the ROV20E201K can be found in the product datasheet, technical documentation provided by the manufacturer, or through authorized distributors and technical support channels.