SMCJ85AHE3/57T - Product Overview and Analysis

Introduction

The SMCJ85AHE3/57T is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides a comprehensive overview of the SMCJ85AHE3/57T, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

Category: Electronic Components
Use: Voltage Transient Suppression
Characteristics: High surge capability, low clamping voltage, fast response time
Package: DO-214AB (SMC)
Essence: Protection of sensitive electronic equipment from voltage transients
Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

• Part Number: SMCJ85AHE3/57T
• Peak Pulse Power: 1500 W
• Breakdown Voltage: 85 V
• Clamping Voltage: 137 V
• Operating Temperature Range: -55°C to +175°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMCJ85AHE3/57T follows the standard DO-214AB (SMC) package outline, with two leads for connection.

Functional Features

• High surge capability for reliable protection against transient voltage events
• Low clamping voltage to minimize stress on protected circuits
• Fast response time to quickly divert transient currents away from sensitive components

Advantages and Disadvantages

Advantages: - High surge capability ensures robust protection - Low clamping voltage minimizes potential damage to protected circuits - Fast response time provides quick reaction to transient events

Disadvantages: - Relatively high operating temperature range may limit use in extreme environments

Working Principles

The SMCJ85AHE3/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage across it exceeds the breakdown voltage. This effectively diverts the transient energy away from the protected circuit, safeguarding it from damage.

Detailed Application Field Plans

The SMCJ85AHE3/57T is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

• Alternative Model 1: SMCJ78AHE3/57T
• Alternative Model 2: SMCJ91AHE3/57T
• Alternative Model 3: SMCJ100AHE3/57T
• Alternative Model 4: SMCJ120AHE3/57T

In conclusion, the SMCJ85AHE3/57T is a highly reliable TVS diode that offers robust protection against transient voltage events. Its high surge capability, low clamping voltage, and fast response time make it an ideal choice for safeguarding sensitive electronic equipment in various applications.

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