SMCJ120A-M3/57T

Introduction

The SMCJ120A-M3/57T is a diode belonging to the category of transient voltage suppressors (TVS). This entry provides an overview of 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: Protecting sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.
• Characteristics: Fast response time, low clamping voltage, high surge current capability.
• Package: SMC (DO-214AB)
• Essence: Provides robust overvoltage protection for various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with varying quantities.

Specifications

• Part Number: SMCJ120A-M3/57T
• Peak Pulse Power: 1500W
• Breakdown Voltage: 120V
• Operating Voltage: 103V
• Clamping Voltage: 164V
• Peak Pulse Current: 43.5A
• Polarity: Unidirectional
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ120A-M3/57T diode has a standard SMC package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Rapid response to transient voltage events
• Low clamping voltage to protect downstream components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage
• Compact SMC package for space-saving designs

Disadvantages

• Unidirectional protection only
• Limited breakdown voltage compared to some alternative models

Working Principles

The SMCJ120A-M3/57T operates by diverting excess transient current away from sensitive electronic components when a voltage transient occurs. It rapidly clamps the voltage to a safe level, protecting the circuit from damage.

Detailed Application Field Plans

The SMCJ120A-M3/57T is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ120A-M3/57T include: - P6KE120A - 1.5SMC120A - SMBJ120A

In conclusion, the SMCJ120A-M3/57T transient voltage suppressor diode offers effective overvprotective characteristics, compact packaging, and high surge current capability. Its fast response time and low clamping voltage make it suitable for a wide range of applications, although designers should consider its unidirectional nature and limited breakdown voltage when selecting a TVS diode for specific requirements.

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