1.5KA47HE3/51 Product Overview

Introduction

The 1.5KA47HE3/51 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 of 1500 units

Specifications

• Peak Pulse Power: 1500W
• Standoff Voltage: 47V
• Breakdown Voltage: 52.4V
• Clamping Voltage: 77.4V at 1A
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA47HE3/51 features a standard DO-201AD package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

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

Advantages and Disadvantages

Advantages

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

Disadvantages

• Clamping voltage may be higher than some alternative models
• Limited to specific voltage ratings

Working Principles

When a transient voltage event occurs, the 1.5KA47HE3/51 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.

Detailed Application Field Plans

The 1.5KA47HE3/51 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE47CA: Similar TVS diode with a different package type
• P6SMB47CA: Surface mount TVS diode with comparable specifications
• 5KP47A: Higher power TVS diode with similar voltage ratings

In conclusion, the 1.5KA47HE3/51 is a reliable TVS diode offering robust protection against voltage transients, making it an essential component in safeguarding sensitive electronic circuits.

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