TMOV20RP420M Product Overview

Introduction

The TMOV20RP420M belongs to the category of surge protective devices and is designed for use in various electrical and electronic systems to protect against transient voltage surges. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Surge Protective Device
• Use: Protection against transient voltage surges
• Characteristics: High surge current capability, fast response time
• Package: Radial leaded disc varistor
• Essence: Protects sensitive electronic equipment from voltage transients
• Packaging/Quantity: Available in various packaging options, typically sold in bulk quantities

Specifications

• Voltage Rating: 420V
• Maximum Allowable Voltage: 340V
• Nominal Discharge Current: 20kA
• Peak Surge Current: 1200A
• Operating Temperature Range: -40°C to +85°C
• Lead Material: Tin-plated copper

Detailed Pin Configuration

The TMOV20RP420M features a radial leaded disc varistor with two leads for easy integration into circuitry. The pin configuration includes: - Lead 1: Connected to the anode of the varistor - Lead 2: Connected to the cathode of the varistor

Functional Features

• Transient Voltage Suppression: Provides protection against voltage surges by diverting excess current away from sensitive equipment
• Fast Response Time: Reacts quickly to transient voltage spikes, minimizing the risk of damage to connected devices
• High Surge Current Capability: Capable of handling high surge currents, making it suitable for demanding applications

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage surges
• Fast response time ensures minimal impact on connected equipment
• High surge current capability for robust performance

Disadvantages

• Limited to specific voltage ratings and surge current capacities
• Requires proper installation and periodic maintenance for optimal performance

Working Principles

The TMOV20RP420M operates based on the principle of varistor technology, where it responds to changes in voltage by altering its resistance to divert excess current away from sensitive equipment. When a transient voltage surge occurs, the varistor rapidly decreases its resistance, providing a low-impedance path for the surge current to protect the connected devices.

Detailed Application Field Plans

The TMOV20RP420M is commonly used in various applications, including: - Power distribution systems - Telecommunication equipment - Industrial automation - Consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

• TMOV14RP420E: Similar surge protective device with a lower nominal discharge current
• TMOV34RP420H: Higher-rated surge protective device with increased peak surge current capability
• TMOV20RP320M: Variant with a lower voltage rating for specific applications

In conclusion, the TMOV20RP420M surge protective device offers effective protection against transient voltage surges, with its fast response time and high surge current capability making it suitable for diverse applications across different industries.

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