1.5KA18HE3/51 Product Overview

Introduction

The 1.5KA18HE3/51 is a high-performance TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Basic Information Overview

• Category: Electronic Component
• Use: Protection against voltage transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-201AD
• Essence: Safeguarding electronic circuits from voltage spikes
• Packaging/Quantity: Available in reels or bulk packaging

Specifications

• Peak Pulse Power: 1500W
• Standoff Voltage: 18V
• Breakdown Voltage: 20V
• Clamping Voltage: 29.2V at 1A
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA18HE3/51 follows the standard pin configuration for DO-201AD package: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected devices.
• High Surge Capability: Capable of withstanding high surge currents, making it suitable for demanding applications.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge capability

Disadvantages

• Clamping voltage may be relatively high for some sensitive applications

Working Principles

When a transient voltage event occurs, the 1.5KA18HE3/51 conducts excess current to ground, limiting the voltage across the protected circuit. This action helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The 1.5KA18HE3/51 is commonly used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• 1.5KE18CA: Similar TVS diode with slightly different specifications
• P6SMB18CA: Surface mount TVS diode with comparable characteristics
• SMAJ18A: Another alternative TVS diode option

In conclusion, the 1.5KA18HE3/51 TVS diode offers robust protection against voltage transients, making it an essential component in safeguarding sensitive electronic circuits across diverse industries.

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