SMF43AT1 - Product Overview

Introduction

SMF43AT1 is a diode belonging to the category of surface mount transient voltage suppressors. It is commonly used for protecting sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This 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 SMF43AT1.

Basic Information Overview

• Category: Surface Mount Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage transients induced by lightning, inductive load switching, and electrostatic discharge
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SOD-123FL
• Essence: Provides robust protection for sensitive electronics
• Packaging/Quantity: Available in reels with varying quantities

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage Range: 43V
• Operating Temperature Range: -55°C to +150°C
• Reverse Standoff Voltage: 36.8V
• Maximum Clamping Voltage: 59.3V
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMF43AT1 diode has a standard 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 voltage transients
• Compact surface mount package
• RoHS compliant

Disadvantages

• Limited breakdown voltage range compared to some alternatives
• May require additional components for comprehensive circuit protection

Working Principles

SMF43AT1 operates by diverting excessive current away from sensitive electronic components when a transient voltage event occurs. Upon reaching the breakdown voltage, the diode conducts and clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

SMF43AT1 finds applications in various electronic systems, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to SMF43AT1 include: - SMAJ40A: Similar power dissipation and breakdown voltage - SMBJ36CA: Higher breakdown voltage and power dissipation - P4SMA43CA: Higher power dissipation and wider operating temperature range

In conclusion, SMF43AT1 is a surface mount transient voltage suppressor diode that offers effective protection against voltage transients. Its fast response time, low clamping voltage, and high surge current capability make it suitable for a wide range of applications in various industries.

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