TMOV20R550E Encyclopedia Entry

Product Overview

The TMOV20R550E belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions. This specific varistor is designed for use in surge protection applications and offers characteristics such as high energy absorption capability, compact package size, and reliable performance. The TMOV20R550E is typically available in tape and reel packaging with a specified quantity per reel.

Specifications

• Model: TMOV20R550E
• Category: Varistor
• Maximum Voltage Rating: 550V
• Nominal Discharge Current: 20kA
• Package Type: Radial Lead Disc
• Package Size: 20mm
• Quantity per Package: Varies based on supplier

Detailed Pin Configuration

The TMOV20R550E features a radial lead disc package with two leads for easy integration into circuit designs. The pin configuration includes a positive lead and a negative lead, allowing for straightforward connection within surge protection circuits.

Functional Features

• High Energy Absorption: Capable of absorbing high levels of energy during overvoltage events.
• Fast Response Time: Reacts quickly to voltage surges, providing rapid protection to connected circuits.
• Compact Design: Space-efficient package size enables versatile integration into various electronic systems.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Compact size allows for flexible installation in diverse applications.
• Reliable performance under varying environmental conditions.

Disadvantages

• Limited maximum voltage rating compared to some higher-end varistors.
• May require additional protective measures for extremely high-energy transients.

Working Principles

The TMOV20R550E operates based on the principle of voltage-dependent nonlinear resistance. When subjected to overvoltage conditions, the varistor's resistance decreases, diverting excess current away from the protected circuit and limiting the voltage across it.

Detailed Application Field Plans

The TMOV20R550E is suitable for a wide range of applications requiring surge protection, including: - Power distribution systems - Telecommunication equipment - Industrial control systems - Consumer electronics - Renewable energy installations

Detailed and Complete Alternative Models

• TMOV14R550E: Similar varistor with a smaller package size and lower energy absorption capability.
• TMOV34R550E: Larger varistor with higher energy absorption capacity for more demanding surge protection requirements.

In conclusion, the TMOV20R550E varistor offers reliable surge protection in a compact package, making it an ideal choice for various electronic applications where safeguarding against overvoltage events is essential.

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