ROV20H271K-S-2

Introduction

The ROV20H271K-S-2 is a component belonging to the category of metal oxide varistors (MOVs). This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Metal Oxide Varistor (MOV)
• Use: Surge protection in electronic circuits
• Characteristics: High energy absorption capability, fast response time, compact size
• Package: Radial leaded disc
• Essence: Protects electronic devices from voltage surges
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Model: ROV20H271K-S-2
• Maximum Allowable Voltage: 175V
• Nominal Voltage: 270V
• Peak Current Capability: 6000A
• Energy Absorption: 20J
• Operating Temperature Range: -40°C to 85°C
• Lead Material: Tin-plated copper

Detailed Pin Configuration

The ROV20H271K-S-2 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

• Surge Protection: Absorbs high-energy transient voltage spikes
• Fast Response Time: Quickly clamps excessive voltage to protect downstream components
• Compact Size: Occupies minimal space on PCBs

Advantages and Disadvantages

Advantages

• Effective surge protection
• Fast response time
• Compact design

Disadvantages

• Limited lifespan after repeated surges
• Susceptible to thermal runaway under extreme conditions

Working Principles

The ROV20H271K-S-2 operates based on the non-linear voltage-current characteristics of metal oxide varistors. When subjected to a voltage surge, it conducts current to divert excess energy away from sensitive electronic components, thereby protecting them from damage.

Detailed Application Field Plans

The ROV20H271K-S-2 is commonly used in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

• ROV10H221K-S-2: Lower energy absorption, suitable for less demanding applications
• ROV14H331K-S-2: Higher energy absorption, suitable for more robust surge protection requirements
• ROV25H391K-S-2: Enhanced peak current capability, suitable for high-power applications

In conclusion, the ROV20H271K-S-2 is a vital component in safeguarding electronic circuits from voltage surges, offering effective surge protection, fast response time, and a compact design. However, it is important to consider its limitations, such as a limited lifespan after repeated surges and susceptibility to thermal runaway under extreme conditions. Understanding its specifications, working principles, and application field plans is crucial for integrating it effectively into electronic systems.

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