ROV07H221K-S

1. Introduction

The ROV07H221K-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, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the ROV07H221K-S.

2. Basic Information Overview

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

3. Specifications

• Voltage Rating: 220V
• Peak Current: 4500A
• Energy (2ms): 7J
• Operating Temperature Range: -40°C to +85°C
• Lead Material: Tin-plated copper

4. Detailed Pin Configuration

The ROV07H221K-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

5. Functional Features

• Transient Voltage Suppression: Absorbs high-energy transients to protect sensitive electronic components
• Fast Response Time: Quickly clamps excessive voltage to safe levels
• Reliability: Designed for long-term performance and durability

6. Advantages and Disadvantages

Advantages

• Effective protection against overvoltage events
• Compact size for space-constrained applications
• Fast response time ensures minimal impact on circuit operation

Disadvantages

• Limited to specific voltage and current ratings
• May degrade over time with repeated exposure to overvoltage conditions

7. Working Principles

The ROV07H221K-S operates based on the principle of voltage-dependent nonlinear resistance. When subjected to overvoltage conditions, the varistor conducts current, diverting excess energy away from the protected circuit.

8. Detailed Application Field Plans

The ROV07H221K-S is commonly used in various electronic systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

9. Detailed and Complete Alternative Models

Some alternative models to the ROV07H221K-S include: - ROV05H221K-S: Lower energy absorption capability - ROV10H221K-S: Higher energy absorption capability - ROV07H331K-S: Higher voltage rating

In conclusion, the ROV07H221K-S varistor offers effective transient voltage suppression for a wide range of electronic applications, providing essential protection against overvoltage events.

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