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ROV05H820K-2
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ROV05H820K-2

Introduction

The ROV05H820K-2 is a component belonging to the category of varistors, which are voltage-dependent resistors used to protect circuits against excessive transient voltage. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the ROV05H820K-2.

Basic Information Overview

  • Category: Varistors
  • Use: Protection against transient voltage
  • Characteristics: High energy absorption capability, fast response time
  • Package: Radial leaded disc
  • Essence: Voltage protection
  • Packaging/Quantity: Typically packaged in reels or bulk quantities

Specifications

The ROV05H820K-2 has the following specifications: - Maximum Allowable Voltage: 85V - Clamping Voltage: 150V - Peak Current (8/20μs): 2500A - Energy (10/1000μs): 3J - Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV05H820K-2 typically has two leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

The main functional features of the ROV05H820K-2 include: - Fast response to transient voltage spikes - High energy absorption capability - Reliable protection of sensitive electronic components

Advantages and Disadvantages

Advantages: - Effective protection against transient voltage - Fast response time - Wide operating temperature range

Disadvantages: - Limited maximum allowable voltage - Requires periodic replacement after absorbing high-energy transients

Working Principles

When the voltage across the varistor exceeds its clamping voltage, it conducts current, diverting the excess energy away from the protected circuit. This rapid response helps prevent damage to sensitive components.

Detailed Application Field Plans

The ROV05H820K-2 is commonly used in various applications such as: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ROV05H820K-2 include: - ROV07H820K-2 - ROV10H820K-2 - ROV14H820K-2

In conclusion, the ROV05H820K-2 is a vital component in protecting electronic circuits from transient voltage spikes. Its fast response time and high energy absorption make it suitable for a wide range of applications, despite its limitations in maximum allowable voltage. Understanding its specifications, pin configuration, and working principles is essential for effective integration into electronic designs.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ROV05H820K-2 i tekniska lösningar

  1. What is the ROV05H820K-2 used for in technical solutions?

    • The ROV05H820K-2 is a varistor that is commonly used for overvoltage protection in various technical solutions.

  2. How does the ROV05H820K-2 provide overvoltage protection?

    • The ROV05H820K-2 varistor acts as a voltage-dependent resistor, conducting current when the voltage exceeds a certain threshold, thereby diverting excess voltage away from sensitive components.

  3. In what types of technical solutions is the ROV05H820K-2 typically employed?

    • The ROV05H820K-2 is often used in power supplies, industrial equipment, telecommunications devices, and other electronic systems requiring overvoltage protection.

  4. What are the key specifications of the ROV05H820K-2?

    • The ROV05H820K-2 has a maximum allowable voltage of 5V, a peak current rating of 100A, and a capacitance of 180pF.

  5. Can the ROV05H820K-2 be used in automotive applications?

    • Yes, the ROV05H820K-2 is suitable for automotive applications where overvoltage protection is required.

  6. Is the ROV05H820K-2 lead-free and RoHS compliant?

    • Yes, the ROV05H820K-2 is lead-free and complies with the Restriction of Hazardous Substances (RoHS) directive.

  7. What is the operating temperature range of the ROV05H820K-2?

    • The ROV05H820K-2 can operate within a temperature range of -40°C to +85°C.

  8. Does the ROV05H820K-2 require any special mounting considerations?

    • It is recommended to mount the ROV05H820K-2 close to the protected circuitry and to ensure proper heat dissipation.

  9. Are there any reliability tests or certifications associated with the ROV05H820K-2?

    • The ROV05H820K-2 may undergo testing such as temperature cycling, humidity resistance, and surge current testing. It may also hold certifications such as UL recognition.

  10. What are some common failure modes of the ROV05H820K-2?

    • Common failure modes include degradation due to prolonged exposure to overvoltage events, excessive current surges, and thermal stress. Regular testing and replacement are recommended to ensure continued protection.