SM8S43A-E3/2D

Introduction

The SM8S43A-E3/2D is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage transients
• Characteristics: High performance, low clamping voltage, fast response time
• Package: DO-218AB
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Standoff Voltage: 36.8V
• Breakdown Voltage: 40.9V
• Peak Pulse Current: 87.1A
• Clamping Voltage: 58.1V
• Operating Temperature Range: -55°C to 150°C
• Storage Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The SM8S43A-E3/2D TVS diode has a standard DO-218AB package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients and surges.
• Fast Response Time: Rapidly clamps transient voltages to safe levels.
• High Peak Pulse Current Capability: Can handle high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High peak pulse current capability

Disadvantages

• Relatively high clamping voltage compared to some alternative models
• Limited to specific voltage ratings

Working Principles

The SM8S43A-E3/2D operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuitry and clamping the voltage to a safe level.

Detailed Application Field Plans

The SM8S43A-E3/2D is commonly used in various applications requiring protection against voltage transients, including: - Power supplies - Communication systems - Industrial equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as alternatives to the SM8S43A-E3/2D include: - SMAJ36A: Similar voltage rating and package type - P6SMB36CA: Different package type but similar electrical characteristics - SMCJ36A: Higher power dissipation capability

In conclusion, the SM8S43A-E3/2D TVS diode offers effective protection against voltage transients with its high performance and fast response time. While it has certain limitations, it is a reliable choice for various applications requiring robust transient voltage suppression.

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