SMCJ28CA-M3/9AT: Product Overview and Analysis

Introduction

The SMCJ28CA-M3/9AT 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 SMCJ28CA-M3/9AT, 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 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 and Reel, 1800 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 28 V
• Clamping Voltage: 45.7 V at 37.5 A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ28CA-M3/9AT 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 for reliable transient voltage protection
• Low clamping voltage to minimize stress on protected circuits
• Fast response time to quickly divert transient currents away from sensitive components

Advantages and Disadvantages

Advantages

• Robust protection against transient voltage events
• Compact and easy-to-use SMC package
• High surge capability for enhanced reliability

Disadvantages

• Clamping voltage may be higher than some alternative models
• Limited breakdown voltage compared to higher-voltage suppressor diodes

Working Principles

The SMCJ28CA-M3/9AT operates by shunting transient currents away from sensitive electronic equipment when voltage transients occur. When the voltage across the diode exceeds its breakdown voltage, it rapidly switches into a low-impedance state, effectively clamping the voltage to a safe level and diverting the transient current away from the protected circuit.

Detailed Application Field Plans

The SMCJ28CA-M3/9AT is widely used in various applications requiring protection against transient voltage events, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB28CA

  • Breakdown Voltage: 28 V
  • Package: DO-214AA (SMB)
  • Characteristics: Low-profile SMB package

• Alternative Model 2: 1.5SMC28CA

  • Breakdown Voltage: 28 V
  • Package: DO-214AB (SMC)
  • Characteristics: Higher peak pulse power rating

In conclusion, the SMCJ28CA-M3/9AT transient voltage suppressor diode offers robust protection and high surge capability for a wide range of electronic applications, making it an essential component for safeguarding sensitive equipment against transient voltage events.

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