SM5S28-E3/2D

Introduction

The SM5S28-E3/2D 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 in-depth overview of the SM5S28-E3/2D, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SM5S28-E3/2D belongs to the category of TVS diodes, which are semiconductor devices used to protect sensitive electronics from voltage spikes and transients.

Basic Information Overview

• Use: The primary use of the SM5S28-E3/2D is to safeguard electronic circuits and components from transient voltage events.
• Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
• Package: The SM5S28-E3/2D is available in a surface-mount DO-218AB package.
• Essence: Its essence lies in providing robust transient voltage protection for a wide range of applications.
• Packaging/Quantity: It is typically supplied in reels with a specific quantity per reel.

Specifications

• Standoff Voltage: 28V
• Breakdown Voltage: 31.1V
• Peak Pulse Power: 5000W
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliance: Yes

Detailed Pin Configuration

The SM5S28-E3/2D features a standard DO-218AB package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on protected circuits.
• High Surge Current Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Robust transient voltage protection
• Fast response time
• High surge current capability

Disadvantages

• Sensitive to reverse polarity connection
• Limited to a specific voltage range

Working Principles

The SM5S28-E3/2D operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit, limiting the voltage across it.

Detailed Application Field Plans

The SM5S28-E3/2D finds extensive use in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

• SM5S33A-E3/2D: Similar TVS diode with a higher standoff voltage of 33V
• SM6T30A-E3/52T: Transient voltage suppressor with a different package and characteristics
• P6KE36CA: Axial lead TVS diode with comparable specifications

In conclusion, the SM5S28-E3/2D is a reliable TVS diode offering robust transient voltage protection, fast response time, and high surge current capability. Its application spans across diverse industries, and it has alternative models catering to specific requirements.

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