1.5KE43ARL4G Product Overview

Introduction

The 1.5KE43ARL4G is a high-performance transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides a comprehensive overview of the 1.5KE43ARL4G, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Components
• Use: Protection against voltage transients
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: DO-201AD (DO-27)
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Peak Pulse Power: 1500W
• Standoff Voltage: 36.8V
• Breakdown Voltage Range: 40.9V to 45.2V
• Maximum Clamping Voltage: 58.9V at 10A
• Operating Temperature Range: -55°C to +175°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The 1.5KE43ARL4G TVS diode has a standard DO-201AD package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
• Fast Response Time: Rapid reaction to transient events for enhanced protection.
• High Surge Capability: Withstands high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Excellent protection against voltage transients
• Fast response time ensures minimal damage to protected circuits
• RoHS compliant, making it environmentally friendly

Disadvantages

• Relatively large package size compared to surface mount devices
• Limited to unidirectional protection

Working Principles

When a transient voltage event occurs, the 1.5KE43ARL4G TVS diode conducts current to divert the excess energy away from the protected circuit. By clamping the voltage to a safe level, it prevents damage to sensitive components.

Detailed Application Field Plans

The 1.5KE43ARL4G is widely used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE36ARL4G: Lower standoff voltage variant
• 1.5KE48ARL4G: Higher standoff voltage variant
• P6KE43ARL4G: Axial leaded alternative with similar specifications

In conclusion, the 1.5KE43ARL4G TVS diode offers robust transient voltage protection with fast response times, making it suitable for a wide range of electronic applications.

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