1.5KE43ARL4 Product Overview

Introduction

The 1.5KE43ARL4 is a high-performance transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides a comprehensive overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against overvoltage transients in electronic circuits
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: Axial leaded, DO-201 package
• Essence: Provides robust protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 43V
• Operating Temperature Range: -55°C to +175°C
• Reverse Standoff Voltage: 36.8V
• Maximum Clamping Voltage: 58.1V
• Forward Voltage: 3.5V at 100A

Detailed Pin Configuration

The 1.5KE43ARL4 has an axial leaded package with two leads. The anode lead is typically longer than the cathode lead, allowing for easy identification and installation.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient overvoltages to protect downstream components.
• High Surge Capability: Capable of handling large surge currents without degradation.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage.

Advantages and Disadvantages

Advantages

• Robust overvoltage protection
• Fast response time
• High surge capability

Disadvantages

• Higher cost compared to standard diodes
• Requires careful consideration of reverse standoff voltage for proper selection

Working Principles

When an overvoltage transient occurs, the 1.5KE43ARL4 diode rapidly conducts, diverting excess current away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KE43ARL4 is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE6.8A: Lower breakdown voltage option
• 1.5KE51CA: Higher breakdown voltage option
• P6KE43CA: Surface mount alternative

In conclusion, the 1.5KE43ARL4 transient voltage suppressor diode offers reliable overvoltage protection for a wide range of electronic applications, making it an essential component in safeguarding sensitive circuits against transient events.

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