SMC3K28CA-M3/9A

Introduction

The SMC3K28CA-M3/9A 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 overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage transients
• Characteristics: High surge capability, low clamping voltage
• Package: DO-214AB (SMC), Tape & Reel
• Essence: Transient voltage suppression
• Packaging/Quantity: 3000 units per reel

Specifications

• Standoff Voltage: 28V
• Breakdown Voltage: 31.1V
• Peak Pulse Power: 3000W
• Clamping Voltage: 45.4V
• Operating Temperature: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMC3K28CA-M3/9A TVS diode has a standard DO-214AB (SMC) package with two pins for connection. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients and surges.
• Fast Response Time: Rapidly clamps transient voltages to safe levels.
• High Surge Capability: Can withstand high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Low clamping voltage ensures minimal impact on protected circuits
• RoHS compliant and environmentally friendly

Disadvantages

• Limited to specific voltage ratings
• Requires careful consideration of installation and placement for optimal performance

Working Principles

The SMC3K28CA-M3/9A operates based on the principle of avalanche breakdown. When a transient voltage surge occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively clamps the voltage to a safe level, preventing damage to downstream components.

Detailed Application Field Plans

The SMC3K28CA-M3/9A is suitable for a wide range of applications requiring protection against voltage transients, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative TVS diode models that can be considered include: - SMCJ series TVS diodes - P6KE series TVS diodes - SMAJ series TVS diodes - 1.5KE series TVS diodes

In conclusion, the SMC3K28CA-M3/9A TVS diode offers robust transient voltage suppression capabilities, making it an essential component for protecting sensitive electronic equipment in various applications.

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