SMF4L78A - Product Overview and Specifications

Introduction

The SMF4L78A is a diode belonging to the category of transient voltage suppressors (TVS) designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMF4L78A.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: Low clamping voltage, fast response time, high surge current capability
• Package: SOD-123FL
• Essence: Semiconductor diode for transient voltage suppression
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 78V
• Clamping Voltage: 106V at 5A
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF4L78A has a SOD-123FL package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

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

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Compact SOD-123FL package
• RoHS compliant

Disadvantages

• Limited breakdown voltage range
• Requires careful handling during installation

Working Principles

The SMF4L78A operates by diverting excessive current away from sensitive electronic components when subjected to transient voltage events. When the voltage exceeds the breakdown voltage, the diode conducts, providing a low-impedance path for the transient current to flow through, thus protecting the downstream circuitry.

Detailed Application Field Plans

The SMF4L78A is widely used in various applications including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMF4L78A include: - SMAJ78A - SMBJ78A - SMCJ78A - P6SMB78A

In conclusion, the SMF4L78A is a reliable transient voltage suppressor diode with excellent surge protection capabilities, making it suitable for a wide range of applications.

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