SMC3K40CAHM3/57

Introduction

The SMC3K40CAHM3/57 is a high-power 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 category, use, characteristics, package, 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 power handling capability, fast response time, low clamping voltage
Package: SMA (DO-214AC)
Essence: Transient voltage suppression
Packaging/Quantity: Tape & Reel, 1800 units per reel

Specifications

Peak Power Dissipation: 3000W
Breakdown Voltage: 40V
Clamping Voltage: 64.5V at 10A
Operating Temperature Range: -55°C to +150°C
Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMC3K40CAHM3/57 TVS diode has a standard SMA (DO-214AC) package with two pins for connection.

Functional Features

High Power Handling: Capable of dissipating large amounts of transient energy.
Fast Response Time: Rapid reaction to transient voltage events.
Low Clamping Voltage: Provides effective protection to downstream components.

Advantages and Disadvantages

Advantages

Effective protection against voltage transients
High power dissipation capability
Fast response time

Disadvantages

Limited breakdown voltage (40V)

Working Principles

When a transient voltage event occurs, the SMC3K40CAHM3/57 TVS diode rapidly conducts, diverting the excess energy away from the protected circuitry. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMC3K40CAHM3/57 is commonly used in various applications, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

SMCJ40A: Similar TVS diode with higher breakdown voltage (40V)
P6SMB36CA: TVS diode with different package (DO-214AA) and characteristics

In conclusion, the SMC3K40CAHM3/57 TVS diode offers robust protection against transient voltage events, making it suitable for a wide range of applications. Its high power handling capability and fast response time make it an essential component in safeguarding sensitive electronic equipment.

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