SM8S28AHE3_A/I

Introduction

The SM8S28AHE3_A/I 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, pin configuration, functional features, advantages and disadvantages, working principles, 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: SMPC (DO-218AB)
• Essence: Transient voltage suppression
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Standoff Voltage: 28V
• Breakdown Voltage: 31.2V
• Peak Pulse Power: 800W
• Clamping Voltage: 45.7V
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SM8S28AHE3_A/I follows the standard pin configuration for TVS diodes, with two leads for connection to the circuit.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
• Fast Response Time: Rapid reaction to transient events, minimizing the risk of damage to downstream components.
• Low Clamping Voltage: Provides robust protection while limiting the voltage across the protected circuit.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Fast response time
• RoHS compliant

Disadvantages

• Relatively limited operating temperature range compared to some alternative models

Working Principles

The SM8S28AHE3_A/I operates based on the principle of avalanche breakdown, where it rapidly diverts excess transient energy away from the protected circuit, thus preventing damage to sensitive components.

Detailed Application Field Plans

The SM8S28AHE3_A/I is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• SM8S28A: Similar specifications and package, but with a wider operating temperature range (-55°C to 175°C).
• P6SMB28A: Surface mount variant with comparable electrical characteristics.

In conclusion, the SM8S28AHE3_A/I is a reliable TVS diode offering robust protection against transient voltage events, making it a crucial component in safeguarding sensitive electronic equipment across various industries.

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