ROV14H221K-S

Introduction

The ROV14H221K-S is a component belonging to the category of varistors, commonly used for voltage clamping and transient surge protection in electronic circuits. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the ROV14H221K-S.

Basic Information Overview

• Category: Varistor
• Use: Voltage clamping and transient surge protection
• Characteristics: High energy absorption capability, fast response time
• Package: Radial leaded disc
• Essence: Protects electronic circuits from voltage spikes
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Voltage Rating: 220V
• Peak Current Rating: 100A
• Energy Absorption: 360J
• Operating Temperature Range: -40°C to 85°C
• Capacitance: 1000pF

Detailed Pin Configuration

The ROV14H221K-S typically has two radial leads for connection in electronic circuits. The pin configuration includes the identification of the anode and cathode terminals for proper installation.

Functional Features

• Voltage Clamping: Provides effective clamping of excessive voltage levels to protect downstream components.
• Transient Surge Protection: Rapidly responds to transient surges, diverting excess energy away from sensitive circuitry.

Advantages and Disadvantages

Advantages

• High energy absorption capability
• Fast response time
• Reliable protection against voltage spikes

Disadvantages

• Limited to specific voltage ratings
• Requires careful consideration of placement in circuit design

Working Principles

The ROV14H221K-S operates based on the principle of nonlinear resistance, where its resistance decreases with increasing voltage. When a voltage surge occurs, the varistor conducts current, diverting the excess energy and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The ROV14H221K-S finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• ROV10 Series: Offers similar performance with different voltage and current ratings.
• MOV20D Series: Metal Oxide Varistors with comparable characteristics for alternative selection.

In conclusion, the ROV14H221K-S varistor serves as a crucial component in safeguarding electronic circuits from voltage transients and surges. Its high energy absorption capability, fast response time, and reliable protection make it a preferred choice in diverse electronic applications.

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