1.5KA18HE3/73 Product Overview

Introduction

The 1.5KA18HE3/73 is a high-performance TVS (Transient Voltage Suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, ESD (electrostatic discharge), 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 of 1500 units

Specifications

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

Detailed Pin Configuration

The 1.5KA18HE3/73 TVS diode has a standard DO-201AD package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from the protected circuit.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected components.
• High Surge Capability: Can withstand high surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Clamping voltage may be relatively high for some applications
• Requires careful consideration of placement within the circuit to ensure optimal protection

Working Principles

When a transient voltage event occurs, the 1.5KA18HE3/73 TVS diode conducts excess current to ground, limiting the voltage across the protected circuit. This action prevents damage to sensitive components by effectively suppressing the transient voltage spike.

Detailed Application Field Plans

The 1.5KA18HE3/73 TVS diode finds application in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE18CA: Similar specifications and performance
• P6SMB18CA: Surface mount alternative with comparable characteristics
• SMF18A: Low-profile alternative suitable for space-constrained applications

In conclusion, the 1.5KA18HE3/73 TVS diode offers robust protection against transient voltage events, making it an essential component in safeguarding sensitive electronic circuits across diverse industries.

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