BAT43WS-HE3-18

Introduction

The BAT43WS-HE3-18 is a diode belonging to the category of Schottky diodes. 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 the BAT43WS-HE3-18.

Basic Information Overview

• Category: Schottky diode
• Use: Rectification, voltage clamping, and protection applications
• Characteristics: Low forward voltage drop, fast switching speed, and low leakage current
• Package: SOD-123 package
• Essence: High-efficiency rectification and voltage clamping
• Packaging/Quantity: Available in tape and reel packaging with quantities varying by manufacturer

Specifications

• Forward Voltage Drop: Typically 0.38V at 1A
• Reverse Voltage: 30V
• Maximum Continuous Forward Current: 1A
• Reverse Recovery Time: 50ns
• Operating Temperature Range: -65°C to 125°C

Detailed Pin Configuration

The BAT43WS-HE3-18 has a standard SOD-123 package with two pins. The anode is connected to pin 1, and the cathode is connected to pin 2.

Functional Features

• Fast switching speed allows for high-frequency operation
• Low forward voltage drop minimizes power loss
• Low leakage current enhances efficiency
• Compact SOD-123 package enables space-saving designs

Advantages and Disadvantages

Advantages

• Fast switching speed
• Low forward voltage drop
• Low leakage current
• Compact package size

Disadvantages

• Limited reverse voltage capability
• Higher cost compared to standard silicon diodes

Working Principles

The BAT43WS-HE3-18 operates based on the Schottky barrier principle, where the metal-semiconductor junction provides fast switching and low forward voltage characteristics. When forward biased, the diode conducts current with minimal voltage drop, making it suitable for high-efficiency rectification and voltage clamping applications.

Detailed Application Field Plans

The BAT43WS-HE3-18 is commonly used in: - Switching power supplies - Voltage clamping circuits - Reverse polarity protection - High-frequency rectification

Detailed and Complete Alternative Models

Some alternative models to the BAT43WS-HE3-18 include: - 1N5817: Similar forward voltage drop and reverse voltage rating - SS14: Comparable characteristics in SOD-123 package - SB140: Higher reverse voltage capability with similar forward voltage drop

In conclusion, the BAT43WS-HE3-18 Schottky diode offers fast switching speed, low forward voltage drop, and low leakage current, making it suitable for various rectification and voltage clamping applications. Its compact package and efficient operation make it a popular choice in modern electronic designs.

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