TMOV14R420E

Introduction

The TMOV14R420E belongs to the category of surge protection devices and is designed to protect sensitive electronic equipment from voltage transients. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the TMOV14R420E.

Basic Information Overview

• Category: Surge Protection Device
• Use: Protecting sensitive electronic equipment from voltage transients
• Characteristics: High energy absorption capacity, fast response time, compact design
• Package: Ceramic disc with integrated lead wires
• Essence: Provides reliable overvoltage protection for electronic circuits
• Packaging/Quantity: Typically packaged in reels or trays

Specifications

• Voltage Rating: 420V
• Peak Surge Current: 10kA
• Operating Temperature Range: -40°C to +85°C
• Capacitance: 0.1μF
• Insulation Resistance: >10,000 MΩ

Detailed Pin Configuration

The TMOV14R420E typically has two lead wires for connection to the circuit. The pin configuration includes the input and output terminals for easy integration into the circuitry.

Functional Features

• Voltage Clamping: Provides clamping of overvoltage transients to a safe level
• Thermal Protection: Includes built-in thermal disconnect for added safety
• Fast Response Time: Reacts quickly to transient voltage events to protect downstream components

Advantages and Disadvantages

Advantages

• High energy absorption capacity
• Fast response time
• Compact design for easy integration
• Reliable overvoltage protection

Disadvantages

• Limited to specific voltage ratings
• May require periodic replacement after significant surge events

Working Principles

The TMOV14R420E operates based on the principle of varistor technology, where the ceramic disc exhibits a non-linear voltage-current characteristic to provide effective transient voltage suppression. When subjected to overvoltage conditions, the device conducts current to divert the excess energy away from the protected circuit.

Detailed Application Field Plans

The TMOV14R420E is commonly used in various applications including: - Power distribution systems - Telecommunication equipment - Industrial control systems - Consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

• TMOV20R320E: 320V voltage rating, 20kA peak surge current
• TMOV25R300E: 300V voltage rating, 25kA peak surge current
• TMOV30R250E: 250V voltage rating, 30kA peak surge current

In conclusion, the TMOV14R420E surge protection device offers reliable overvoltage protection for a wide range of electronic equipment, making it an essential component in safeguarding sensitive circuits from transient voltage events.

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