SMF8.5AT1G

Introduction

The SMF8.5AT1G is a surface mount, unidirectional TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the SMF8.5AT1G, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SMF8.5AT1G belongs to the category of TVS diodes, specifically designed for transient voltage suppression in electronic circuits.

Basic Information Overview

• Use: The primary use of the SMF8.5AT1G is to protect electronic circuits from voltage transients caused by lightning, ESD (electrostatic discharge), and other transient voltage events.
• Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
• Package: The SMF8.5AT1G is available in a surface mount SOD-123FL package.
• Essence: Its essence lies in providing robust protection against transient voltage events to ensure the reliability and longevity of electronic devices.
• Packaging/Quantity: It is typically packaged in reels with a specific quantity per reel.

Specifications

• Peak Pulse Power: 200W
• Breakdown Voltage: 8.5V
• Operating Voltage: 7.37V
• Clamping Voltage: 14.4V
• Peak Pulse Current: 16.7A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMF8.5AT1G has a standard SOD-123FL package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Provides effective suppression of transient voltages to protect downstream electronic components.
• Fast Response Time: Reacts quickly to transient voltage events, minimizing the risk of damage to sensitive circuits.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level during transient events.

Advantages and Disadvantages

Advantages

• Robust transient voltage protection
• Fast response time
• Compact surface mount package
• High surge current capability

Disadvantages

• Limited breakdown voltage range
• Sensitive to reverse polarity connection

Working Principles

The SMF8.5AT1G operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a transient voltage event occurs. This action prevents the voltage from reaching damaging levels and protects the downstream electronics.

Detailed Application Field Plans

The SMF8.5AT1G is commonly used in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMF8.5AT1G include: - SMAJ8.5A - SMBJ8.5A - SMCJ8.5A - P6SMB8.5A

In conclusion, the SMF8.5AT1G is a vital component in protecting electronic circuits from transient voltage events, ensuring the reliability and longevity of electronic devices across various industries.

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