SMCJ51HE3/57T - Product Overview and Analysis

Introduction

The SMCJ51HE3/57T 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 SMCJ51HE3/57T, 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 Basic Information Overview

• Category: TVS Diode
• 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 Junction Diode
• Packaging/Quantity: Tape & Reel, 1800 units per reel

Specifications

• Peak Pulse Power: 1500 W
• Breakdown Voltage: 51 V
• Clamping Voltage: 82.4 V
• Operating Temperature Range: -55°C to +175°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMCJ51HE3/57T TVS diode features a standard SMC package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages to safe levels
• Fast Response Time: Rapid reaction to transient events for enhanced protection
• High Surge Capability: Withstands high surge currents without degradation

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on protected circuits
• RoHS compliant, meeting environmental standards

Disadvantages

• Clamping voltage may be relatively high for some applications
• Requires careful consideration of placement and circuit integration for optimal performance

Working Principles

The SMCJ51HE3/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a transient voltage event occurs. By diverting the excessive energy to ground, it prevents damage to sensitive components.

Detailed Application Field Plans

The SMCJ51HE3/57T is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

For users seeking alternative TVS diodes with similar characteristics and performance, the following models can be considered: - P6KE51CA: 600 W TVS Diode, 51 V - 1.5SMC51CA: 1500 W TVS Diode, 51 V - SMCJ51A: 1500 W TVS Diode, 51 V

In conclusion, the SMCJ51HE3/57T TVS diode offers robust transient voltage protection with fast response times and high surge capability. Its application spans across diverse industries, providing essential protection for sensitive electronic equipment.

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