ROV20H182K-S-2

Product Category

The ROV20H182K-S-2 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage surges.

Basic Information Overview

• Use: The ROV20H182K-S-2 is used to suppress transient voltage spikes and limit the voltage that is applied to sensitive electronic equipment.
• Characteristics: It has high energy absorption capability, fast response time, and low leakage current.
• Package: The varistor is typically housed in a disc-shaped package made of a ceramic material.
• Essence: Its essence lies in providing reliable overvoltage protection for electronic circuits.
• Packaging/Quantity: The varistor is usually packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Model: ROV20H182K-S-2
• Maximum Allowable Voltage: 130V
• Nominal Voltage: 115V
• Peak Current (8/20µs): 4500A
• Operating Temperature Range: -40°C to 85°C
• Diameter: 20mm
• Lead Spacing: 7.5mm

Detailed Pin Configuration

The ROV20H182K-S-2 varistor has two leads, with one lead connected to each end of the disc-shaped ceramic package.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages to protect downstream components.
• Fast Response Time: Rapidly responds to voltage surges to minimize potential damage to the circuit.
• Low Leakage Current: Ensures minimal power dissipation during normal operation.

Advantages

• Effective protection against voltage surges
• Fast response time
• Low leakage current

Disadvantages

• Limited lifespan after multiple surge events
• Susceptible to thermal runaway under extreme conditions

Working Principles

The varistor operates based on the principle of non-linear voltage-dependent resistance. When the voltage across the varistor exceeds its threshold, it conducts current and diverts excess energy away from the protected circuit.

Detailed Application Field Plans

The ROV20H182K-S-2 varistor finds applications in various electronic devices and systems, including: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

1. ROV14H221K-S-2: Similar specifications with a smaller form factor
2. ROV10H331K-S-2: Lower voltage rating with comparable energy absorption capability
3. ROV05H471K-S-2: Higher peak current handling capacity for more demanding applications

This comprehensive entry provides an in-depth understanding of the ROV20H182K-S-2 varistor, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

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