3SMC43A BK Product Overview

Introduction

The 3SMC43A BK is a component belonging to the category of surface mount transient voltage suppressors (TVS). This product is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The following entry provides a comprehensive overview of the 3SMC43A BK, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Surface Mount 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: SMC (DO-214AB)
• Essence: Silicon TVS Diode Array
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Pulse Power: 3000W
• Standoff Voltage: 36.8V
• Breakdown Voltage Range: 40.9V - 45.2V
• Maximum Clamping Voltage: 58.9V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 3SMC43A BK follows the standard SMC (DO-214AB) package configuration with two terminals for surface mounting onto printed circuit boards.

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 voltage events, minimizing the risk of damage to connected devices.
• High Surge Capability: Capable of withstanding high surge currents, ensuring reliable protection in demanding environments.

Advantages and Disadvantages

Advantages

• High surge capability ensures robust protection
• Low clamping voltage minimizes stress on protected circuits
• Fast response time reduces the risk of damage to sensitive components

Disadvantages

• Higher cost compared to traditional diode-based protection solutions
• Requires careful consideration of placement and layout for optimal performance

Working Principles

The 3SMC43A BK 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 limits the voltage across the protected circuit, safeguarding sensitive components.

Detailed Application Field Plans

The 3SMC43A BK finds extensive use in various applications, including: - Telecommunication equipment - Industrial automation systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

For users seeking alternative models, the following options are available: - 3SMC30A BK - 3SMC36A BK - 3SMC40A BK - 3SMC48A BK

In conclusion, the 3SMC43A BK offers robust transient voltage suppression capabilities, making it an essential component for protecting sensitive electronic circuits from voltage transients. Its high surge capability, low clamping voltage, and fast response time make it suitable for a wide range of applications, from telecommunications to consumer electronics.

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