ROV20H182K-2

Introduction

The ROV20H182K-2 is a component belonging to the category of varistors, which are voltage-dependent resistors used to protect circuits against excessive voltage. 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 ROV20H182K-2.

Basic Information Overview

• Category: Varistors
• Use: Protection against excessive voltage in electronic circuits
• Characteristics: Voltage-dependent resistance, non-linear response to voltage changes
• Package: Radial leaded disc
• Essence: Voltage protection for electronic components
• Packaging/Quantity: Typically packaged in reels or trays

Specifications

• Part Number: ROV20H182K-2
• Maximum Allowable Voltage: 130V
• Nominal Voltage: 18V
• Peak Current (8/20μs): 4500A
• Energy (10/1000μs): 3J
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ROV20H182K-2 has a radial leaded disc package with two leads. The detailed pin configuration is as follows: - Lead 1: Connected to one end of the varistor element - Lead 2: Connected to the other end of the varistor element

Functional Features

• Voltage Protection: Provides protection by exhibiting a high resistance at normal operating voltages and a low resistance at higher voltages.
• Fast Response: Rapidly responds to voltage surges to protect connected components.
• Reliability: Designed for consistent performance over a wide range of operating conditions.

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• Wide operating temperature range

Disadvantages

• Non-linear response may introduce some distortion in sensitive circuits
• Limited energy absorption capability compared to other surge protection devices

Working Principles

The ROV20H182K-2 operates based on the principle of voltage-dependent resistance. When the voltage across the varistor exceeds its nominal voltage, it exhibits a significant decrease in resistance, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The ROV20H182K-2 is commonly used in various electronic applications requiring protection against voltage transients. Some specific application fields include: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ROV20H182K-2 include: - ROV10H181K-S: Similar characteristics with a lower nominal voltage - ROV14H181K-2: Higher energy absorption capability with similar voltage ratings - ROV20H221K-2: Higher nominal voltage for increased protection levels

In conclusion, the ROV20H182K-2 varistor offers effective voltage protection for electronic circuits, with fast response and reliability. While it has some limitations, its wide application field and availability of alternative models make it a versatile choice for circuit protection needs.

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