SM8S30-E3/2D

Introduction

The SM8S30-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 SM8S30-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 SM8S30-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 SM8S30-E3/2D is to provide surge protection for electronic circuits in various applications.
• Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
• Package: The device is available in a DO-218AB package.
• Essence: The essence of the SM8S30-E3/2D lies in its ability to divert excessive current away from sensitive components during transient voltage events.
• Packaging/Quantity: The SM8S30-E3/2D is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Standoff Voltage: 30V
• Breakdown Voltage: 33.3V
• Peak Pulse Power: 800W
• Operating Temperature Range: -55°C to 150°C
• Reverse Standoff Voltage: 25.6V
• Reverse Leakage Current: 1μA

Detailed Pin Configuration

The SM8S30-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, providing quick protection to downstream circuitry.
• High Surge Current Capability: Able to handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Fast response time
• High surge current handling capability

Disadvantages

• Slight voltage overshoot during clamping
• Limited to specific voltage ranges

Working Principles

The SM8S30-E3/2D operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from sensitive components when a transient voltage event occurs. This action helps to limit the voltage across the protected circuit.

Detailed Application Field Plans

The SM8S30-E3/2D is commonly used in the following applications: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• SM8S33A-E3/2D: Similar specifications with a slightly higher breakdown voltage
• SM8S36A-E3/2D: Higher breakdown voltage and peak pulse power rating
• SM8S40A-E3/2D: Increased standoff and breakdown voltage for higher voltage applications

In conclusion, the SM8S30-E3/2D is a reliable TVS diode offering effective surge protection for a wide range of electronic applications. Its fast response time, high surge current capability, and compact package make it a popular choice for engineers seeking robust transient voltage suppression solutions.

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