V180ZT20PX2855 Encyclopedia Entry

Product Overview

The V180ZT20PX2855 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage. This specific varistor is designed for use in power supply and surge protection applications. Its characteristics include high energy absorption capability, fast response time, and a compact package. The essence of the V180ZT20PX2855 lies in its ability to limit transient overvoltage and protect sensitive electronic equipment. It is typically packaged individually and is available in various quantities to suit different application needs.

Specifications

• Voltage Rating: 180V
• Peak Current: 20A
• Energy Absorption: 2855J
• Operating Temperature Range: -40°C to 85°C
• Package Type: Disc

Detailed Pin Configuration

The V180ZT20PX2855 varistor has two leads, with the standard disc-shaped body. The pin configuration involves connecting the varistor across the circuit to be protected, with one lead connected to the input side and the other lead connected to the ground or output side.

Functional Features

• Transient Voltage Suppression: The varistor quickly responds to overvoltage conditions, diverting excess current away from the protected circuit.
• High Energy Absorption: Capable of dissipating large amounts of energy during transient events, safeguarding connected devices.
• Compact Design: The small form factor makes it suitable for space-constrained applications.

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Fast response time
• Compact size

Disadvantages

• Limited lifespan under repeated high-energy events
• Requires proper heat dissipation in high-power applications

Working Principles

The V180ZT20PX2855 operates based on the principle of nonlinear resistance. When subjected to overvoltage conditions, the varistor's resistance decreases sharply, allowing it to conduct large currents and limit the voltage across the protected circuit.

Detailed Application Field Plans

The V180ZT20PX2855 is commonly used in the following applications: - Power supply units - Surge protection devices - Industrial control systems - Telecommunication equipment - Consumer electronics

Detailed and Complete Alternative Models

1. V130LA20APX2855
   • Voltage Rating: 130V
   • Peak Current: 20A
   • Energy Absorption: 2855J
2. V250ZT20PX2855
   • Voltage Rating: 250V
   • Peak Current: 20A
   • Energy Absorption: 2855J
3. V180ZT25PX3000
   • Voltage Rating: 180V
   • Peak Current: 25A
   • Energy Absorption: 3000J

In conclusion, the V180ZT20PX2855 varistor offers effective transient overvoltage protection for a wide range of electronic applications, despite its limitations in high-energy environments. Its compact design and high energy absorption make it a valuable component in safeguarding sensitive electronic equipment.

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