1.5KE18A-G Diode - Encyclopedia Entry

Introduction

The 1.5KE18A-G diode is a crucial component in electronic circuits, providing protection against transient voltage spikes. This entry provides an in-depth overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Diode
• Use: Transient voltage suppression
• Characteristics: Fast response time, high surge capability
• Package: Axial leaded
• Essence: Protection against voltage transients
• Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

• Voltage Rating: 18V
• Power Dissipation: 1500W
• Polarity: Unidirectional
• Operating Temperature Range: -55°C to +175°C
• Mounting Type: Through Hole
• Package / Case: DO-201

Detailed Pin Configuration

The 1.5KE18A-G diode has a standard axial leaded package with two leads. The cathode is typically marked with a band on the body of the diode.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage spikes and transients.
• Fast Response Time: Reacts quickly to transient events, safeguarding sensitive components.

Advantages and Disadvantages

Advantages

• High surge capability
• Robust construction for reliable performance
• Wide operating temperature range

Disadvantages

• Unidirectional protection only
• Requires proper polarity orientation during installation

Working Principles

The 1.5KE18A-G diode operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode conducts and diverts the excess energy away from the protected circuit, thereby preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KE18A-G diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE16A-G: Lower voltage rating alternative
• 1.5KE20A-G: Higher voltage rating alternative
• 1.5KE18CA-G: Bidirectional protection alternative

In conclusion, the 1.5KE18A-G diode plays a critical role in safeguarding electronic circuits from transient voltage spikes. Its robust design, fast response time, and high surge capability make it a preferred choice in diverse applications.

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