V18ZA3PX2855 Product Overview

Introduction

The V18ZA3PX2855 belongs to the category of varistors, which are electronic components used to protect circuits from excessive voltage. This entry provides a comprehensive overview of the V18ZA3PX2855, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Varistors
• Use: Protecting circuits from excessive voltage surges
• Characteristics: High energy absorption capacity, fast response time, compact size
• Package: Radial leaded disc
• Essence: Zinc oxide (ZnO) based
• Packaging/Quantity: Available in reels or bulk packaging

Specifications

• Voltage Rating: 18V
• Peak Current: 20A
• Energy Absorption: 85J
• Operating Temperature Range: -40°C to 85°C
• Tolerance: ±10%

Detailed Pin Configuration

The V18ZA3PX2855 has a radial leaded disc package with two leads for easy integration into circuit designs. The detailed pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Voltage Clamping: Provides effective clamping of overvoltage transients
• Fast Response Time: Rapidly responds to voltage spikes to protect sensitive components
• High Energy Absorption: Capable of dissipating high levels of energy during transient events

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Compact size for space-constrained applications
• Fast response time ensures minimal impact on circuit operation

Disadvantages

• Limited to specific voltage ratings
• Tolerance may affect precise voltage clamping performance

Working Principles

The V18ZA3PX2855 operates based on the principle of ZnO varistor technology. When subjected to overvoltage conditions, the varistor exhibits a non-linear resistance characteristic, effectively diverting excess current away from the protected circuit.

Detailed Application Field Plans

The V18ZA3PX2855 is suitable for various applications, including: - Power supply units - Industrial equipment - Consumer electronics - Automotive systems - Telecommunication devices

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative models include: - V14ZA3PX2855 (14V rating) - V20ZA3PX2855 (20V rating) - V18ZA5PX2855 (higher energy absorption)

In conclusion, the V18ZA3PX2855 varistor offers reliable overvoltage protection with its high energy absorption capacity, fast response time, and compact design. Understanding its specifications, pin configuration, functional features, and application field plans is essential for integrating it effectively into circuit designs.

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