Littelfuse Inc.
Bild kan vara representation.
Se specifikationer för produktinformation.
ROV07H121K-S
Visa detalj Datablad

ROV07H121K-S

Introduction

The ROV07H121K-S is a component belonging to the category of varistors, which are electronic devices used to protect circuits from overvoltage conditions. 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 ROV07H121K-S.

Basic Information Overview

  • Category: Varistors
  • Use: Protection against overvoltage in electronic circuits
  • Characteristics: High energy absorption capacity, fast response time
  • Package: Radial leaded disc
  • Essence: Provides transient voltage suppression
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Voltage Rating: 120V
  • Peak Current: 8000A
  • Energy (2ms): 7J
  • Operating Temperature Range: -40°C to +85°C
  • Lead Material: Tin-plated copper

Detailed Pin Configuration

The ROV07H121K-S has a radial leaded disc package with two leads for through-hole mounting. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response to transient voltage spikes
  • High energy absorption capability
  • Reliable protection of sensitive electronic components

Advantages and Disadvantages

Advantages

  • Effective protection against overvoltage events
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited to specific voltage ratings
  • Requires proper installation for optimal performance

Working Principles

The ROV07H121K-S operates based on the principle of voltage-dependent resistance. When an overvoltage event occurs, the varistor's resistance decreases significantly, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The ROV07H121K-S is commonly used in various electronic applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • ROV05H101K: 100V voltage rating, 5000A peak current
  • ROV14H201K: 200V voltage rating, 10000A peak current
  • ROV20H331K: 320V voltage rating, 15000A peak current

In conclusion, the ROV07H121K-S varistor offers reliable overvoltage protection for electronic circuits, making it a crucial component in numerous applications. Its fast response time, high energy absorption capacity, and wide operating temperature range make it a preferred choice for engineers seeking robust transient voltage suppression solutions.

Word Count: 386

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ROV07H121K-S i tekniska lösningar

  1. What is the ROV07H121K-S used for?

    • The ROV07H121K-S is a varistor designed to protect electronic circuits from overvoltage conditions.

  2. What is the maximum voltage rating of the ROV07H121K-S?

    • The maximum voltage rating of the ROV07H121K-S is 130V.

  3. What is the maximum energy absorption capability of the ROV07H121K-S?

    • The ROV07H121K-S can absorb up to 7J of energy under surge conditions.

  4. What are the typical applications of the ROV07H121K-S?

    • The ROV07H121K-S is commonly used in power supplies, industrial equipment, and automotive electronics for overvoltage protection.

  5. What is the response time of the ROV07H121K-S?

    • The response time of the ROV07H121K-S is very fast, typically responding within nanoseconds to overvoltage events.

  6. Is the ROV07H121K-S suitable for high-temperature environments?

    • Yes, the ROV07H121K-S is designed to operate effectively in high-temperature environments, making it suitable for a wide range of applications.

  7. Can the ROV07H121K-S be used in AC and DC circuits?

    • Yes, the ROV07H121K-S is suitable for use in both AC and DC circuits, providing versatile overvoltage protection.

  8. Does the ROV07H121K-S require any special mounting considerations?

    • The ROV07H121K-S can be mounted using standard methods, but it's important to ensure proper thermal management for optimal performance.

  9. What are the dimensions of the ROV07H121K-S?

    • The ROV07H121K-S has compact dimensions, typically measuring around 7mm in diameter and 5mm in height.

  10. Are there any specific precautions to consider when integrating the ROV07H121K-S into a circuit?

    • It's important to follow the manufacturer's guidelines for proper circuit integration and to ensure that the varistor is appropriately rated for the application's voltage and energy requirements.