SMCJ30CAHE3/9AT - Product Encyclopedia Entry

Introduction

The SMCJ30CAHE3/9AT is a high-performance 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 product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• 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)
• Essence: Provides robust protection for sensitive electronic equipment
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 33 V
• Clamping Voltage: 53.3 V at 10 A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ30CAHE3/9AT features a standard DO-214AB (SMC) package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• High Surge Capability: Capable of withstanding large surge currents without degradation
• Low Clamping Voltage: Provides effective suppression of transient voltages
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on protected circuits

Advantages and Disadvantages

Advantages

• Robust protection against transient voltage events
• Fast response time ensures minimal impact on protected circuits
• Compact and easy-to-use SMC package

Disadvantages

• Requires careful consideration of mounting and layout for optimal performance
• May require additional components for comprehensive transient protection in complex systems

Working Principles

The SMCJ30CAHE3/9AT operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess current away from the protected circuit and clamping the voltage to a safe level.

Detailed Application Field Plans

The SMCJ30CAHE3/9AT is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies - LED lighting systems

Detailed and Complete Alternative Models

For users seeking alternative options, the following transient voltage suppressor diodes can be considered: - P6KE33CA: Similar specifications and package (DO-15) - 1.5KE33CA: Higher peak pulse power rating (1500 W) and axial package - SA30CA: Lower profile SMA package with similar electrical characteristics

In conclusion, the SMCJ30CAHE3/9AT transient voltage suppressor diode offers robust protection, fast response time, and versatile application possibilities, making it an essential component for safeguarding sensitive electronic equipment from transient voltage events.

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