SMF45A-E3-08: Product Overview and Analysis

Introduction

The SMF45A-E3-08 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. In this entry, we will provide an in-depth overview of the SMF45A-E3-08, including 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 (TVS)
• 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: DO-219AB (SMF)
• Essence: Semiconductor TVS diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 45V
• Clamping Voltage: 77.4V at 14A
• Operating Temperature Range: -55°C to +150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMF45A-E3-08 follows the standard pin configuration for DO-219AB package: - 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 voltage transients
• Compact form factor
• RoHS compliant

Disadvantages

• Limited breakdown voltage range
• Sensitive to overvoltage conditions

Working Principles

The SMF45A-E3-08 operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the TVS diode rapidly conducts, diverting the excess current away from the protected circuitry and limiting the voltage across it.

Detailed Application Field Plans

The SMF45A-E3-08 finds extensive use 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 SMF45A-E3-08 include: - SMAJ45A - SMBJ45A - SMCJ45A - P6SMB45A

In conclusion, the SMF45A-E3-08 is a vital component in safeguarding electronic circuits from transient voltage events, offering reliable protection and performance in a compact package.

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