SMCJ18CHE3/57T - Product Encyclopedia Entry

Introduction

The SMCJ18CHE3/57T is a high-performance transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive 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: Transient Voltage Suppressor Diode
Use: Protection against voltage transients induced by lightning and other transient voltage events
Characteristics: High performance, reliability, fast response time
Package: SMC (DO-214AB)
Essence: Provides robust protection for sensitive electronic equipment
Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

Part Number: SMCJ18CHE3/57T
Standoff Voltage: 15.3V
Breakdown Voltage: 17V
Peak Pulse Power: 1500W
Operating Temperature Range: -55°C to +175°C
Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The SMCJ18CHE3/57T follows the standard SMC (DO-214AB) package configuration with two leads.

Functional Features

Fast response time
Low clamping voltage
High surge current capability
RoHS compliant

Advantages and Disadvantages

Advantages

Robust protection against transient voltage events
Fast response time ensures minimal impact on protected circuits
RoHS compliant, making it environmentally friendly

Disadvantages

May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMCJ18CHE3/57T operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from sensitive components when a transient voltage event occurs. This action effectively clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The SMCJ18CHE3/57T is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Alternative Model 1: SMCJ15A
Alternative Model 2: SMCJ20CA
Alternative Model 3: SMCJ24A

These alternative models offer similar transient voltage suppression capabilities and can be considered based on specific application requirements.

In conclusion, the SMCJ18CHE3/57T transient voltage suppressor diode offers robust protection against transient voltage events, making it an essential component in safeguarding sensitive electronic equipment across various industries.

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