SMF4L85A Diode: Encyclopedia Entry

Introduction

The SMF4L85A diode is a crucial component in the field of electronics, specifically within the category of transient voltage suppressor (TVS) diodes. This entry will provide an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMF4L85A diode.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against transient voltage spikes
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMA package
• Essence: Safeguarding electronic circuits from voltage transients
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Voltage - Reverse Standoff (Typ): 77.8V
• Voltage - Breakdown (Min): 86.3V
• Voltage - Clamping (Max) @ Ipp: 135V
• Current - Peak Pulse (10/1000µs): 10.5A
• Power - Peak Pulse: 400W
• Type: Zener

Detailed Pin Configuration

The SMF4L85A diode has a standard SMA package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time to transient voltage spikes
• Low clamping voltage to protect sensitive electronic components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on the protected circuit
• Robust surge current capability for enhanced reliability

Disadvantages

• Higher cost compared to traditional diodes
• Limited effectiveness against sustained overvoltage conditions

Working Principles

The SMF4L85A diode operates by diverting excessive transient voltage away from sensitive electronic components. When a transient voltage spike occurs, the diode rapidly conducts, providing a low impedance path for the excess energy to be dissipated, thus protecting the downstream circuitry.

Detailed Application Field Plans

The SMF4L85A diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMF4L85A diode include: - SMF5.0A - SMF6.8A - SMF10A - SMF15A - SMF24A

In conclusion, the SMF4L85A diode plays a critical role in safeguarding electronic circuits from transient voltage spikes. Its fast response time, low clamping voltage, and high surge current capability make it an essential component in various electronic applications.

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