V18MLA0805WA

Introduction

V18MLA0805WA is a component belonging to the category of surface mount multilayer varistors. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Surface Mount Multilayer Varistor
• Use: Protection against transient voltage events
• Characteristics: High energy absorption capability, compact size, excellent surge protection performance
• Package: 0805 package
• Essence: Provides transient voltage suppression in a compact form factor
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Voltage Rating: 18V
• Size: 0805 (2.0mm x 1.25mm)
• Operating Temperature Range: -55°C to +125°C
• Maximum Energy Absorption: 0.1J
• Peak Current Capability: 20A

Detailed Pin Configuration

The V18MLA0805WA is a surface mount device with two terminals arranged in an 0805 package. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage events to protect sensitive electronic components.
• Fast Response Time: Rapidly responds to transient voltage spikes to prevent damage to downstream circuitry.
• Compact Design: Occupies minimal board space while providing robust surge protection.

Advantages and Disadvantages

Advantages

• Compact size allows for integration into space-constrained designs.
• High energy absorption capability ensures reliable protection against transient voltage events.
• Fast response time provides effective suppression of voltage transients.

Disadvantages

• Limited to a specific voltage rating, may require multiple varistors for broader protection range.
• Sensitive to excessive current or prolonged overvoltage conditions.

Working Principles

The V18MLA0805WA operates based on the principle of varistor action, where its resistance decreases with increasing voltage. When subjected to transient overvoltage, the varistor rapidly conducts, diverting excess energy away from the protected circuitry and limiting the voltage across it.

Detailed Application Field Plans

The V18MLA0805WA is commonly used in various electronic applications requiring protection against transient voltage events, including: - Consumer electronics - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

• V14MLA0805H – 14V rated multilayer varistor in 0805 package
• V20MLA0805H – 20V rated multilayer varistor in 0805 package
• V25MLA0805H – 25V rated multilayer varistor in 0805 package
• V30MLA0805H – 30V rated multilayer varistor in 0805 package

In conclusion, the V18MLA0805WA is a compact and efficient surface mount multilayer varistor designed to provide reliable protection against transient voltage events in various electronic applications.

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