TMOV20R625M Encyclopedia Entry

Product Overview

The TMOV20R625M belongs to the category of metal oxide varistors (MOVs) and is commonly used for surge protection in various electronic and electrical systems. This component is characterized by its high energy absorption capability, compact package, and reliable performance. It is typically packaged individually and is available in varying quantities based on the specific application requirements.

Specifications

• Voltage Rating: 625V
• Peak Current Rating: 20kA
• Operating Temperature Range: -40°C to 85°C
• Package Type: Radial Leaded Disc
• Lead Material: Tin-plated Copper

Detailed Pin Configuration

The TMOV20R625M features a radial leaded disc package with two leads for easy integration into circuit designs. The pin configuration includes a positive lead and a negative lead, which are designed to facilitate secure and stable connections within the circuitry.

Functional Features

• Surge Protection: Effectively absorbs and dissipates transient voltage surges to protect sensitive electronic components.
• Fast Response Time: Rapidly responds to voltage spikes to safeguard connected equipment.
• Reliable Performance: Ensures consistent surge protection over a wide range of operating conditions.

Advantages and Disadvantages

Advantages

• High energy absorption capability
• Compact design for space-constrained applications
• Reliable surge protection performance

Disadvantages

• Limited to specific voltage and current ratings
• May require additional protective circuitry for comprehensive surge protection in complex systems

Working Principles

The TMOV20R625M operates based on the principle of varistor action, where its resistance decreases as the applied voltage increases. When subjected to a surge or transient voltage, the varistor rapidly conducts current, diverting the excess energy away from the protected circuitry and limiting the voltage across the system.

Detailed Application Field Plans

The TMOV20R625M is widely utilized in various applications, including: - Power distribution systems - Telecommunication equipment - Industrial control systems - Consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

1. TMOV14S431K: Voltage Rating - 430V, Peak Current Rating - 14kA
2. TMOV34S681M: Voltage Rating - 680V, Peak Current Rating - 34kA
3. TMOV25S751M: Voltage Rating - 750V, Peak Current Rating - 25kA

These alternative models offer similar surge protection capabilities with varying voltage and current ratings to accommodate diverse application requirements.

In conclusion, the TMOV20R625M metal oxide varistor is a crucial component in surge protection applications, offering reliable performance and efficient transient voltage suppression. Its compact design and high energy absorption make it an essential element in safeguarding electronic and electrical systems against damaging voltage surges.

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