SMCJ18AHE3/9AT - Product Encyclopedia Entry

Introduction

The SMCJ18AHE3/9AT 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 in-depth 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: Electronic Components
• Use: Voltage Transient Suppression
• Characteristics: High Surge Capability, Low Clamping Voltage
• Package: DO-214AB (SMC)
• Essence: Protection against Voltage Transients
• Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage Range: 15.3 V to 16.8 V
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMCJ18AHE3/9AT follows the standard SMC package configuration with two leads for easy mounting on circuit boards.

Functional Features

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

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Wide operating temperature range
• RoHS compliance

Disadvantages

• Relatively larger footprint compared to some other TVS diodes
• Higher initial cost compared to traditional transient voltage suppression methods

Working Principles

The SMCJ18AHE3/9AT operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from sensitive components when a transient voltage event occurs, thus protecting the downstream circuitry.

Detailed Application Field Plans

The SMCJ18AHE3/9AT 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: P6KE18CA
  • Category: TVS Diode
  • Characteristics: Axial Package, 600 W Peak Pulse Power
• Alternative Model 2: SMAJ18A
  • Category: TVS Diode
  • Characteristics: SMA Package, 400 W Peak Pulse Power

In conclusion, the SMCJ18AHE3/9AT offers robust protection against voltage transients and finds extensive use across diverse electronic applications, making it a crucial component in ensuring the reliability and longevity of sensitive electronic equipment.

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