SMF4L26A - Product Overview and Specifications

Introduction

The SMF4L26A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used to protect sensitive electronic components from voltage spikes and transients. This entry provides an overview of the SMF4L26A, 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 Diode
• Use: Protecting electronic circuits from voltage spikes and transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SOD-123FL
• Essence: Provides overvoltage protection for sensitive electronic components
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Peak Pulse Power: 400W
• Standoff Voltage: 26V
• Breakdown Voltage: 28.9V to 32.1V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF4L26A is a surface mount device with two terminals. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to a safe level
• Low Clamping Voltage: Provides effective protection for sensitive components
• Fast Response Time: Reacts quickly to transient events, minimizing potential damage

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• Compact SOD-123FL package
• High surge current capability

Disadvantages

• Limited to specific voltage ratings
• May require additional circuitry for comprehensive protection

Working Principles

When a transient voltage spike occurs, the SMF4L26A conducts current and clamps the voltage to a safe level, protecting downstream components from damage. This is achieved through the diode's ability to rapidly switch into a low-impedance state when exposed to high voltages.

Detailed Application Field Plans

The SMF4L26A is commonly used in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMF4L26A include: - SMAJ26A: Similar characteristics, different package (DO-214AC) - P6SMB26A: Higher peak pulse power (600W), different package (DO-214AA) - SMBJ26A: Lower peak pulse power (600W), similar package (DO-214AA)

In conclusion, the SMF4L26A is a vital component in protecting electronic circuits from transient voltage events. Its fast response time, low clamping voltage, and high surge current capability make it an essential part of many electronic systems.

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