Littelfuse Inc.
L'image peut être une représentation.
Voir les spécifications pour les détails du produit.
ROV05H431K-2
Voir les détails DataSheets

ROV05H431K-2

Product Category

The ROV05H431K-2 belongs to the category of electronic components, specifically a varistor.

Basic Information Overview

  • Use: The ROV05H431K-2 is used as a voltage-dependent resistor to protect circuits against excessive transient voltage.
  • Characteristics: It has high energy absorption capability, fast response time, and low leakage current.
  • Package: The varistor is typically housed in a disc-shaped package.
  • Essence: Its essence lies in providing overvoltage protection to electronic circuits.
  • Packaging/Quantity: The ROV05H431K-2 is commonly available in tape and reel packaging with varying quantities per reel.

Specifications

  • Voltage Rating: 430V
  • Peak Current: 2500A
  • Operating Temperature Range: -40°C to +85°C
  • Capacitance: 470pF

Detailed Pin Configuration

The ROV05H431K-2 typically has two leads for connection to the circuit. The pin configuration is as follows: 1. Pin 1: Input/Anode 2. Pin 2: Ground/Cathode

Functional Features

  • Overvoltage Protection: Safeguards circuits by clamping excessive voltages.
  • Fast Response Time: Quickly responds to transient voltage spikes.
  • High Energy Absorption: Capable of dissipating large amounts of energy during surge events.

Advantages and Disadvantages

Advantages: - Effective protection against voltage surges - Fast response time - Low leakage current

Disadvantages: - Limited lifespan after multiple surge events - Susceptible to thermal runaway under extreme conditions

Working Principles

The varistor works based on the principle of non-linear resistance, where its resistance decreases as the applied voltage increases. This allows it to divert excess current away from sensitive components, protecting the circuit.

Detailed Application Field Plans

The ROV05H431K-2 finds application in various electronic devices such as power supplies, telecommunication equipment, and industrial control systems. It is particularly useful in safeguarding sensitive semiconductor devices from voltage transients.

Detailed and Complete Alternative Models

  • ROV10H431K-S: Similar specifications but higher energy absorption capability
  • ROV05H471K-2: Slightly higher voltage rating with similar characteristics
  • ROV20H431K: Higher peak current handling capacity

This comprehensive range of alternative models provides flexibility in selecting the appropriate varistor based on specific application requirements.

Word count: 349

Énumérez 10 questions et réponses courantes liées à l'application de ROV05H431K-2 dans les solutions techniques

  1. What is the ROV05H431K-2 used for in technical solutions?

    • The ROV05H431K-2 is a varistor that is commonly used for overvoltage protection in electronic circuits.

  2. How does the ROV05H431K-2 provide overvoltage protection?

    • The ROV05H431K-2 varistor acts as a voltage-dependent resistor, conducting current when the voltage exceeds its threshold, thereby protecting sensitive components from damage.

  3. What are the typical applications of the ROV05H431K-2 in technical solutions?

    • The ROV05H431K-2 is often used in power supplies, industrial equipment, consumer electronics, and telecommunications devices to safeguard against transient voltage spikes.

  4. What is the maximum voltage rating of the ROV05H431K-2?

    • The ROV05H431K-2 has a maximum voltage rating of 430V, making it suitable for protecting against moderate overvoltage events.

  5. Can the ROV05H431K-2 be used in automotive applications?

    • Yes, the ROV05H431K-2 can be utilized in automotive electronics to shield sensitive components from voltage surges caused by electrical disturbances.

  6. Is the ROV05H431K-2 suitable for use in outdoor environments?

    • The ROV05H431K-2 is designed to withstand a range of environmental conditions, making it suitable for outdoor applications where overvoltage protection is required.

  7. What is the response time of the ROV05H431K-2 during an overvoltage event?

    • The ROV05H431K-2 has a fast response time, clamping the voltage and diverting excess current away from the protected circuit within nanoseconds.

  8. Are there any specific mounting or installation considerations for the ROV05H431K-2?

    • The ROV05H431K-2 can be surface-mounted or through-hole mounted on a PCB, and proper attention should be given to its placement and routing of traces for effective overvoltage protection.

  9. Does the ROV05H431K-2 require any additional circuitry for proper operation?

    • In most cases, the ROV05H431K-2 can be directly connected across the input or output terminals of the circuit requiring protection without the need for additional circuitry.

  10. What are the key advantages of using the ROV05H431K-2 in technical solutions?

    • The ROV05H431K-2 offers reliable overvoltage protection, high energy absorption capability, compact size, and cost-effectiveness, making it a preferred choice for various technical applications.