SMCG28AHE3/9AT: Product Overview and Analysis

Introduction

The SMCG28AHE3/9AT is a semiconductor product belonging to the category of transient voltage suppressors (TVS). This device is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. In this entry, we will provide an in-depth overview of the SMCG28AHE3/9AT, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS)
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AB (SMC), SMD/SMT package style
• Essence: Silicon TVS Diode
• Packaging/Quantity: Tape & Reel (TR) packaging, 3000 units per reel

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 28V
• Clamping Voltage: 45.7V
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMCG28AHE3/9AT follows the standard pin configuration for SMC package diodes, with two terminals for connection.

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected devices.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level.

Advantages and Disadvantages

Advantages

• High surge capability for robust protection
• RoHS compliant for environmental sustainability
• Compact SMC package for space-efficient designs

Disadvantages

• Limited breakdown voltage may not be suitable for high-voltage applications
• Operating temperature range may restrict use in extreme environments

Working Principles

The SMCG28AHE3/9AT operates based on the principle of avalanche breakdown, where it rapidly switches into a low impedance state to shunt excess current when a transient voltage event occurs. This effectively protects downstream components from potential damage.

Detailed Application Field Plans

The SMCG28AHE3/9AT is commonly used in various electronic systems and equipment, including: - Consumer electronics - Telecommunication devices - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

For applications requiring different specifications or form factors, alternative TVS diode models that can be considered include: - SMAJ28AHE3/61T - SMCJ28AHE3/57T - P6SMB28AT3G

In conclusion, the SMCG28AHE3/9AT offers reliable transient voltage suppression capabilities in a compact and efficient package, making it a valuable component for protecting sensitive electronic circuits from voltage transients.

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