BUK7K18-40EX

Introduction

The BUK7K18-40EX is a power MOSFET belonging to the category of electronic components. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Components
• Use: Power MOSFET for electronic circuits
• Characteristics: High power handling capacity, low on-state resistance, fast switching speed
• Package: TO-220AB
• Essence: Power management in electronic devices
• Packaging/Quantity: Typically packaged in reels or tubes, quantity varies based on manufacturer

Specifications

• Voltage Rating: 40V
• Current Rating: 75A
• On-State Resistance: 4.5 mΩ
• Gate Threshold Voltage: 2V
• Power Dissipation: 200W
• Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The BUK7K18-40EX typically has three pins: 1. Gate (G): Input pin for controlling the MOSFET 2. Drain (D): Output pin connected to the load 3. Source (S): Ground reference for the MOSFET

Functional Features

• High current-carrying capability
• Low on-state resistance for efficient power transfer
• Fast switching speed for improved circuit performance
• Enhanced thermal performance for reliability

Advantages and Disadvantages

Advantages

• High power handling capacity
• Low on-state resistance reduces power losses
• Fast switching speed improves efficiency
• Suitable for high-frequency applications

Disadvantages

• Sensitive to static electricity
• Requires careful handling during assembly
• Higher cost compared to standard MOSFETs

Working Principles

The BUK7K18-40EX operates based on the principle of field-effect transistors. When a voltage is applied to the gate terminal, it creates an electric field that controls the flow of current between the drain and source terminals. This enables the MOSFET to act as a switch or amplifier in electronic circuits.

Detailed Application Field Plans

The BUK7K18-40EX is commonly used in the following applications: - Switching power supplies - Motor control circuits - LED lighting systems - Audio amplifiers - Battery management systems

Detailed and Complete Alternative Models

• IRF540N
• FDP8870
• STP75NF75

In conclusion, the BUK7K18-40EX power MOSFET offers high power handling capacity, low on-state resistance, and fast switching speed, making it suitable for various electronic applications. Its characteristics, specifications, and working principles make it a valuable component in power management and control circuits.

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