1.5KE27ARL4 Product Overview

Introduction

The 1.5KE27ARL4 is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage transients in electronic circuits
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: Axial leaded, DO-201AD
• Essence: Safeguarding sensitive electronic components from voltage spikes
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Voltage - Reverse Standoff (Typ): 24.3V
• Voltage - Breakdown (Min): 26.9V
• Voltage - Clamping (Max) @ Ipp: 41.4V
• Current - Peak Pulse (10/1000µs): 38.6A
• Power - Peak Pulse: 1500W
• Operating Temperature: -55°C to 175°C

Detailed Pin Configuration

The 1.5KE27ARL4 TVS diode has an axial leaded package with two leads. The cathode is typically marked with a band or other indicator for easy identification.

Functional Features

• Transient Voltage Suppression: Rapidly clamps voltage spikes to protect downstream components.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.
• High Surge Capability: Can withstand large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Wide operating temperature range

Disadvantages

• Higher cost compared to some traditional protection methods
• Requires careful consideration of placement and routing in circuit design

Working Principles

When a voltage transient occurs, the 1.5KE27ARL4 TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KE27ARL4 is commonly used in various applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE15ARL4: Lower voltage variant suitable for less demanding applications
• 1.5KE33ARL4: Higher voltage variant for applications requiring greater protection levels
• P6KE27ARL4: Similar TVS diode with a different package style

In conclusion, the 1.5KE27ARL4 TVS diode offers robust transient voltage suppression capabilities, making it an essential component in safeguarding electronic circuits from damaging voltage spikes.

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