ROV20H220M-S-2

Category: Electronic Component

Use: The ROV20H220M-S-2 is a metal oxide varistor (MOV) designed to protect electronic circuits and components from voltage surges and transient overvoltage conditions.

Characteristics: This varistor has a high energy absorption capability, fast response time, and low leakage current. It is designed for use in power supplies, industrial equipment, and consumer electronics.

Package: The ROV20H220M-S-2 is typically available in a disc-shaped package with lead wires for easy integration into circuit boards.

Essence: The essence of the ROV20H220M-S-2 lies in its ability to rapidly absorb and dissipate high-energy transient voltage spikes, thereby safeguarding sensitive electronic devices and components.

Packaging/Quantity: The varistor is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Rated Voltage: 20V
• Maximum Allowable Voltage: 22V
• Peak Current Capability: 1000A
• Energy Absorption: 20J
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The ROV20H220M-S-2 typically features two lead wires for connection to the circuit board. The pin configuration may vary slightly based on the manufacturer, but it generally follows a standard layout with clearly marked polarity.

Functional Features

• Transient Overvoltage Protection: The varistor responds rapidly to overvoltage conditions, shunting excess energy away from sensitive components.
• Low Leakage Current: Ensures minimal power loss during normal operation.
• Compact Design: The compact size allows for easy integration into various electronic devices and circuit layouts.

Advantages and Disadvantages

Advantages - Effective protection against voltage surges - Fast response time - Wide operating temperature range

Disadvantages - Limited lifespan under repeated high-energy surge conditions - Sensitive to excessive heat and current overload

Working Principles

The ROV20H220M-S-2 operates based on the principle of voltage-dependent nonlinear resistance. When subjected to a transient overvoltage condition, the varistor conducts current, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

The ROV20H220M-S-2 is widely used in power supplies, motor drives, lighting systems, and telecommunication equipment. Its ability to provide reliable overvoltage protection makes it an essential component in industrial control systems, automotive electronics, and renewable energy applications.

Detailed and Complete Alternative Models

• ROV10H201K-S-2
• ROV14H221K-S-2
• ROV25H222K-S-2

These alternative models offer similar voltage ratings and energy absorption capabilities, providing flexibility in design and application.

This comprehensive overview of the ROV20H220M-S-2 showcases its importance in protecting electronic circuits from voltage surges and transient overvoltage conditions. With its functional features, advantages, and detailed application field plans, it serves as a crucial component in various electronic systems.

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