SMF20A-HE3-18

Introduction

The SMF20A-HE3-18 is a semiconductor product belonging to the category of transient voltage suppressors (TVS). This device is designed to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The following entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMF20A-HE3-18.

Basic Information Overview

• Category: Transient Voltage Suppressors (TVS)
• 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: SOD-123FL
• Essence: Semiconductor device for voltage transient suppression
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Pulse Power: 200 Watts
• Breakdown Voltage: 22.8V
• Clamping Voltage: 38.9V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF20A-HE3-18 features a SOD-123FL package with the following pin configuration: 1. Anode 2. Cathode

Functional Features

• Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
• Fast Response Time: Rapidly responds to transient voltage events, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited breakdown voltage range
• Sensitive to extreme temperature variations

Working Principles

The SMF20A-HE3-18 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the breakdown voltage, thereby protecting downstream electronics.

Detailed Application Field Plans

The SMF20A-HE3-18 is suitable for a wide range of applications, including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMF20A-HE3-18 include: - SMAJ20A - SMBJ20A - SMCJ20A - P6SMBJ20A

In conclusion, the SMF20A-HE3-18 is a critical component in safeguarding electronic circuits from transient voltage events, offering high surge capability, low clamping voltage, and fast response time. Its application spans across various industries, and it has several alternative models available in the market.

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