SM5S43ATHE3/I

Introduction

The SM5S43ATHE3/I is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Product Overview

• Category: TVS Diode
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events.
• Characteristics: High performance, low clamping voltage, fast response time.
• Package: SOD-123FL
• Essence: Provides robust protection for sensitive electronic equipment.
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Peak Pulse Power: 500 W
• Breakdown Voltage: 43 V
• Operating Voltage: 36.8 V
• Clamping Voltage: 58.9 V
• Peak Pulse Current: 14.4 A
• Reverse Standoff Voltage: 36.8 V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SM5S43ATHE3/I TVS diode has a standard SOD-123FL package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Fast response time to transient voltage events.
• Low clamping voltage to protect downstream components.
• High peak pulse power handling capability.

Advantages

• Robust protection against voltage transients.
• Fast response time ensures minimal impact on protected circuits.
• Compact SOD-123FL package for space-constrained applications.

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection in some applications.
• Limited to specific voltage and current ratings.

Working Principles

The SM5S43ATHE3/I operates by diverting excessive transient currents away from sensitive electronic components, thereby limiting the voltage across the protected circuit. When a transient event occurs, the TVS diode rapidly switches into its low impedance state, providing a path for the transient current to bypass the protected circuit.

Detailed Application Field Plans

The SM5S43ATHE3/I is suitable for a wide range of applications, including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

• SM5S33AHE3/2D
• SM6T39AHE3/52
• P6SMB36CA

In summary, the SM5S43ATHE3/I TVS diode offers robust protection against voltage transients, making it an ideal choice for various electronic applications. Its compact package, high peak pulse power handling capability, and fast response time make it a valuable component in safeguarding sensitive electronic equipment.

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