ROV20E221K-2

Product Category:

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

Basic Information Overview:

• Use: The ROV20E221K-2 is used as a voltage-dependent resistor to protect circuits from excessive transient voltage.
• Characteristics: It exhibits non-linear electrical behavior with respect to applied voltage and has high energy absorption capability.
• Package: The varistor is typically housed in a disc-shaped package made of metal oxide material.
• Essence: Its essence lies in providing overvoltage protection to electronic circuits.
• Packaging/Quantity: The ROV20E221K-2 is commonly available in reels or bulk packaging, with quantities varying based on manufacturer specifications.

Specifications:

• Voltage Rating: 20V
• Nominal Diameter: 22mm
• Tolerance: ±10%
• Maximum Allowable Voltage: 50V
• Peak Current Capability: 1000A

Detailed Pin Configuration:

The ROV20E221K-2 is a disc-shaped varistor and does not have a pin configuration. It is typically soldered onto circuit boards using its metal leads.

Functional Features:

• Provides protection against transient voltage spikes
• Exhibits non-linear voltage-current characteristics
• Rapid response time to voltage surges

Advantages:

• Effective in protecting sensitive electronic components
• High energy absorption capability
• Wide operating temperature range

Disadvantages:

• Limited lifespan after absorbing multiple transient voltage surges
• Non-linear behavior may introduce complexities in circuit design

Working Principles:

The varistor operates by exhibiting a high resistance at normal operating voltages but rapidly decreasing its resistance when subjected to overvoltage conditions. This effectively diverts excess current away from sensitive components, protecting them from damage.

Detailed Application Field Plans:

The ROV20E221K-2 finds application in various electronic devices such as power supplies, telecommunication equipment, and consumer electronics where protection against voltage transients is crucial. It is particularly useful in surge protection circuits and transient voltage suppressors.

Detailed and Complete Alternative Models:

• ROV10E221K-2: Similar varistor with lower voltage rating
• ROV30E221K-2: Similar varistor with higher voltage rating
• MOV-14D220K: Metal Oxide Varistor with comparable specifications

This comprehensive entry provides an in-depth understanding of the ROV20E221K-2 varistor, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.