1.5KA47HE3/73 Product Overview

Introduction

The 1.5KA47HE3/73 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 Components
• 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: 47V
• Operating Voltage: 38.3V
• Clamping Voltage: 77.4V
• Peak Pulse Current: 38.5A
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA47HE3/73 features 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 robust protection against voltage transients.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to downstream 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 maximize effectiveness

Working Principles

The 1.5KA47HE3/73 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a transient event occurs. This action prevents the voltage from reaching damaging levels and protects downstream components.

Detailed Application Field Plans

The 1.5KA47HE3/73 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KA6.8A: Lower breakdown voltage variant
• 1.5KA10A: Higher peak pulse power variant
• 1.5KA33A: Lower clamping voltage variant

In conclusion, the 1.5KA47HE3/73 is a reliable TVS diode offering robust protection against voltage transients, making it an essential component in safeguarding sensitive electronic circuits across diverse applications.

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