SML4742AHE3/61 - Diode Encyclopedia Entry

Introduction

The SML4742AHE3/61 is a diode belonging to the category of surface mount devices. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Diode
• Use: Rectification, voltage regulation, signal demodulation
• Characteristics: High efficiency, low forward voltage drop, fast switching speed
• Package: Surface mount
• Essence: Semiconductor device for current flow control
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Part Number: SML4742AHE3/61
• Type: Schottky diode
• Maximum Forward Voltage Drop: 0.55V
• Reverse Voltage: 40V
• Forward Current: 1A
• Operating Temperature Range: -65°C to 125°C

Detailed Pin Configuration

The SML4742AHE3/61 has a standard surface mount package with two terminals. The cathode is typically marked by a line on the body of the diode.

Functional Features

• Fast switching speed for high-frequency applications
• Low forward voltage drop for energy efficiency
• High current capability for power applications

Advantages and Disadvantages

Advantages

• Efficient power conversion
• Compact surface mount package
• Suitable for high-frequency applications

Disadvantages

• Limited reverse voltage tolerance
• Sensitivity to overvoltage conditions

Working Principles

The SML4742AHE3/61 operates based on the Schottky barrier principle, where a metal-semiconductor junction allows for fast switching and low forward voltage drop characteristics.

Detailed Application Field Plans

Power Supplies

The diode can be used in power supply circuits for rectification and voltage regulation due to its low forward voltage drop and high current capability.

Signal Demodulation

In communication systems, the diode can be utilized for signal demodulation due to its fast switching speed and high-frequency capabilities.

Voltage Clamping

It can be employed in voltage clamping circuits to protect sensitive electronic components from overvoltage conditions.

Detailed and Complete Alternative Models

• SML4742AHE3/62: Similar specifications with higher reverse voltage rating
• SML4742AHE3/60: Lower forward current rating with similar characteristics
• SML4742AHE3/63: Higher forward current rating for power applications

In conclusion, the SML4742AHE3/61 diode offers efficient power conversion, fast switching speed, and compact packaging, making it suitable for various applications in power supplies, signal demodulation, and voltage clamping circuits.

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