SM8S30HE3/2D

Introduction

The SM8S30HE3/2D 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 in-depth overview of the SM8S30HE3/2D, 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 SM8S30HE3/2D belongs to the category of TVS diodes, which are semiconductor devices used to protect sensitive electronics from voltage spikes and surges.

Basic Information Overview

• Use: The primary use of the SM8S30HE3/2D 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 SM8S30HE3/2D is typically available in a surface-mount package.
• Essence: Its essence lies in providing robust protection against transient voltage events.
• Packaging/Quantity: It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 30V
• Breakdown Voltage: 33.3V
• Peak Pulse Power: 8,000W
• Operating Temperature Range: -55°C to 150°C
• Polarity: Unidirectional
• Package Type: DO-218AB (SMPC)

Detailed Pin Configuration

The SM8S30HE3/2D typically features a 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 for enhanced protection.
• High Surge Current Capability: Ability to handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Unidirectional protection only
• Sensitive to reverse polarity connection

Working Principles

The SM8S30HE3/2D operates based on the principle of avalanche breakdown, where it rapidly diverts excessive transient energy away from the protected circuit, thus limiting the voltage across it.

Detailed Application Field Plans

The SM8S30HE3/2D finds extensive use in various applications, including: - Telecommunication Equipment: Protecting sensitive communication devices from lightning-induced surges. - Industrial Control Systems: Safeguarding control systems from voltage transients in industrial environments. - Automotive Electronics: Providing protection for automotive electronic systems from voltage spikes.

Detailed and Complete Alternative Models

Several alternative models offer similar performance and functionality to the SM8S30HE3/2D, including: - SM8S30AHE3/2D: A variant with slightly different electrical characteristics. - P6SMB33CA: A comparable TVS diode with similar voltage ratings.

In conclusion, the SM8S30HE3/2D stands as a reliable and efficient TVS diode, offering robust transient voltage protection for a wide range of electronic applications.

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