SMCJ14AHE3/9AT - Product Overview and Analysis

Introduction

The SMCJ14AHE3/9AT is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides a comprehensive overview of the SMCJ14AHE3/9AT, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Basic Information Overview

• Category: Electronic Components
• Use: Voltage Transient Suppression
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AB (SMC)
• Essence: Transient Voltage Suppressor Diode
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 14 V
• Clamping Voltage: 23.2 V at 10 A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ14AHE3/9AT follows the standard pin configuration for DO-214AB (SMC) package: - Pin 1: Anode - Pin 2: Cathode

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 Capability: Withstands high surge currents without degradation

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on protected circuits
• High surge capability for robust performance

Disadvantages

• Clamping voltage may be relatively high for some applications
• Limited breakdown voltage compared to higher-rated TVS diodes

Working Principles

The SMCJ14AHE3/9AT operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage. This effectively diverts excessive transient energy away from the protected circuit, limiting the voltage to a safe level.

Detailed Application Field Plans

The SMCJ14AHE3/9AT finds extensive use in various applications, including: - Telecommunication Equipment: Protection of communication lines and equipment from lightning-induced surges - Industrial Control Systems: Safeguarding PLCs, sensors, and control circuits from transient events - Consumer Electronics: ESD protection for USB ports, HDMI interfaces, and other sensitive connectors - Automotive Electronics: Protection of vehicle electronics from voltage transients induced by load dump and other automotive events

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative TVS diode models include: - SMCJ5.0AHE3/57T: 5 V breakdown voltage, SMC package - SMBJ24AHE3/52: 24 V breakdown voltage, SMB package - P6KE15CA: 15 V breakdown voltage, axial leaded package

In conclusion, the SMCJ14AHE3/9AT offers reliable transient voltage suppression with fast response and high surge capability, making it an essential component for protecting sensitive electronic equipment from voltage transients.

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