ROV14H781K-2

Product Category

The ROV14H781K-2 belongs to the category of electronic components, specifically a varistor.

Basic Information Overview

• Use: The varistor is used to protect circuits against excessive voltage surges.
• Characteristics: It exhibits non-linear electrical behavior, with resistance decreasing as voltage increases.
• Package: Typically housed in a disc or cylindrical shape, encapsulated in a flame-retardant material.
• Essence: Provides transient overvoltage protection to sensitive electronic components.
• Packaging/Quantity: Available in various packaging options, such as tape and reel or bulk packaging.

Specifications

• Voltage Rating: 130V
• Maximum Allowable Voltage: 85V
• Peak Current (8/20µs): 4500A
• Energy (10/1000µs): 1.5J
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV14H781K-2 features two leads for connection to the circuit, typically denoted as anode and cathode.

Functional Features

• Provides rapid response to voltage spikes
• Absorbs and dissipates excess energy to protect downstream components
• Exhibits stable performance over a wide temperature range

Advantages

• Effective protection against voltage transients
• Compact size for easy integration into circuit designs
• Wide operating temperature range enhances versatility

Disadvantages

• Limited lifespan when subjected to repeated high-energy surges
• Requires careful consideration of placement within the circuit for optimal performance

Working Principles

The varistor operates based on the principle of voltage-dependent resistance, where its resistance decreases sharply as the applied voltage exceeds a certain threshold. This allows it to divert excess current away from sensitive components, safeguarding them from damage.

Detailed Application Field Plans

The ROV14H781K-2 finds application in various electronic systems, including power supplies, telecommunications equipment, industrial controls, and consumer electronics. Its role is crucial in protecting these systems from voltage spikes caused by lightning, switching transients, or other external disturbances.

Detailed and Complete Alternative Models

• ROV10 Series: Offers similar transient voltage suppression with varying voltage ratings
• MOV-14D Series: Metal Oxide Varistors with comparable characteristics
• TVR20G Series: Ceramic Encased Varistors suitable for high-energy transient protection

This comprehensive entry provides a detailed understanding of the ROV14H781K-2 varistor, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.