1.5KE18ARL4G - Product Overview

Introduction

The 1.5KE18ARL4G belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used in electronic circuits to protect sensitive components from voltage spikes and transients. The 1.5KE18ARL4G is specifically designed to provide robust protection against voltage surges, making it an essential component in various electronic applications.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, fast response time
• Package: Axial leaded, DO-201AD
• Essence: Safeguarding sensitive electronic components
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Voltage Rating: 18V
• Power Dissipation: 1500W
• Breakdown Voltage: 20.2V
• Operating Temperature Range: -55°C to 175°C
• Polarity: Unidirectional

Detailed Pin Configuration

The 1.5KE18ARL4G TVS diode has a standard axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time to clamp transient voltages
• High surge capability for reliable protection
• Low clamping voltage to minimize stress on protected circuits

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Robust construction for long-term reliability
• Wide operating temperature range for versatile use

Disadvantages

• Unidirectional protection only
• May require additional circuitry for bidirectional protection

Working Principles

When a voltage surge occurs, the 1.5KE18ARL4G TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively clamps the voltage to a safe level, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KE18ARL4G is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE15ARL4G
• 1.5KE20ARL4G
• 1.5KE22ARL4G
• 1.5KE24ARL4G

These alternative models offer similar voltage ratings and characteristics, providing flexibility in design and sourcing options.

In conclusion, the 1.5KE18ARL4G transient voltage suppressor diode plays a crucial role in protecting electronic circuits from voltage surges. Its high surge capability, fast response time, and wide application make it an indispensable component in modern electronic systems.

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