SM8S20A-E3/2D

Introduction

The SM8S20A-E3/2D is a robust 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 in-depth overview of the SM8S20A-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 SM8S20A-E3/2D belongs to the category of transient voltage suppressor diodes, which are widely used in various electronic applications to protect against voltage surges and spikes.

Basic Information Overview

• Use: The SM8S20A-E3/2D is used to protect sensitive electronic circuits from overvoltage transients.
• Characteristics: It offers high surge capability, low clamping voltage, and fast response time.
• Package: The device is available in a DO-218AB package.
• Essence: Its essence lies in providing reliable overvoltage protection for electronic systems.
• Packaging/Quantity: The SM8S20A-E3/2D is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Peak Pulse Power: 8000 W
• Breakdown Voltage: 20 V
• Clamping Voltage: 32.4 V
• Operating Temperature Range: -55°C to +150°C
• Polarity: Unidirectional
• Mounting Type: Through Hole

Detailed Pin Configuration

The SM8S20A-E3/2D features a standard DO-218AB package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
• High Surge Capability: Capable of withstanding large surge currents without degradation.

Advantages and Disadvantages

Advantages

• High surge capability
• Low clamping voltage
• Fast response time
• Robust construction for reliability

Disadvantages

• Unidirectional protection only
• Requires additional circuitry for bidirectional protection

Working Principles

The SM8S20A-E3/2D operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage, effectively diverting excess current away from the protected circuit.

Detailed Application Field Plans

The SM8S20A-E3/2D finds extensive use in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SM8S20A-E3/2D include: - SM6T Series: Similar transient voltage suppressor diodes with lower power ratings - P6KE Series: Offered in different package styles with comparable performance - 1.5KE Series: Higher power handling capability for more demanding applications

In conclusion, the SM8S20A-E3/2D transient voltage suppressor diode serves as a critical component in safeguarding electronic systems from transient voltage events. Its high surge capability, low clamping voltage, and fast response time make it a preferred choice for diverse applications requiring reliable overvoltage protection.

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