ROV20E221K-S-2

Product Overview

Category

The ROV20E221K-S-2 belongs to the category of electronic components, specifically a varistor.

Use

It is used as a voltage-dependent resistor to protect circuits from excessive transient voltage surges.

Characteristics

• Voltage Rating: 20V
• Capacity: 220pF
• Tolerance: ±10%
• Operating Temperature: -40°C to +85°C

Package

The ROV20E221K-S-2 comes in a standard surface mount package.

Essence

The essence of the ROV20E221K-S-2 lies in its ability to absorb and dissipate transient surge energy, thereby safeguarding sensitive electronic devices.

Packaging/Quantity

The ROV20E221K-S-2 is typically packaged in reels with a quantity varying based on customer requirements.

Specifications

• Maximum Allowable Voltage: 20V
• Clamping Voltage: 38V
• Peak Current (8/20μs): 100A
• Energy (10/1000μs): 0.1J
• Insulation Resistance: ≥10GΩ

Detailed Pin Configuration

The ROV20E221K-S-2 has two terminals for surface mount installation, typically labeled as "Anode" and "Cathode."

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
• Fast Response Time: Rapidly responds to voltage spikes to prevent damage to connected circuits.

Advantages

• Reliable Protection: Provides robust protection against transient voltage events.
• Compact Size: Small form factor makes it suitable for space-constrained applications.
• Wide Operating Temperature Range: Can function effectively in diverse environmental conditions.

Disadvantages

• Limited Voltage Range: Suitable for low-voltage applications only.
• Single-Use: May require replacement after absorbing a significant surge.

Working Principles

The ROV20E221K-S-2 operates based on the principle of nonlinear resistance, where its resistance decreases with increasing voltage, thereby diverting excess current away from sensitive components.

Detailed Application Field Plans

The ROV20E221K-S-2 is commonly employed in: - Consumer Electronics: Protecting integrated circuits in smartphones, tablets, and laptops. - Automotive Electronics: Safeguarding control units and sensors from voltage transients. - Industrial Equipment: Shielding PLCs, motor drives, and power supplies from electrical disturbances.

Detailed and Complete Alternative Models

• ROV14E221K-S-2: Similar varistor with a lower voltage rating.
• ROV20E331K-S-2: Varistor with a higher capacity for surge absorption.

In conclusion, the ROV20E221K-S-2 serves as a crucial component in protecting electronic circuits from transient voltage events, offering reliable performance and compact design. Its application spans across various industries, ensuring the integrity of sensitive electronics in diverse environments.

[Word Count: 443]