STGD19N40LZ

Introduction

The STGD19N40LZ is a power MOSFET belonging to the category of semiconductor devices. This device is widely used in various electronic applications due to its unique characteristics and performance.

Basic Information Overview

• Category: Power MOSFET
• Use: The STGD19N40LZ is used as a switching device in power supply circuits, motor control, and other high-power applications.
• Characteristics: This MOSFET features low on-state resistance, high switching speed, and low gate charge, making it suitable for high-efficiency power conversion.
• Package: The STGD19N40LZ is available in a TO-252 package, which provides thermal efficiency and ease of mounting.
• Essence: The essence of this device lies in its ability to handle high currents and voltages with minimal power loss.
• Packaging/Quantity: It is typically supplied in reels or tubes containing a specific quantity per package.

Specifications

• Voltage Rating: 400V
• Current Rating: 19A
• On-State Resistance: 0.19Ω
• Gate-Source Voltage (Max): ±20V
• Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The STGD19N40LZ follows the standard pin configuration for a TO-252 package: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

• Low On-State Resistance: Enables efficient power transfer and reduces conduction losses.
• High Switching Speed: Facilitates rapid switching transitions, suitable for high-frequency applications.
• Low Gate Charge: Allows for minimal drive power requirements and reduced switching losses.

Advantages and Disadvantages

Advantages

• High efficiency in power conversion applications
• Fast switching capability
• Low power dissipation

Disadvantages

• Susceptible to voltage and current spikes
• Requires careful consideration of driving circuitry to prevent damage

Working Principles

The STGD19N40LZ operates based on the principles of field-effect transistors, where the gate voltage controls the flow of current between the drain and source terminals. When the gate-source voltage is applied, the MOSFET enters either an on or off state, allowing or blocking the current flow.

Detailed Application Field Plans

The STGD19N40LZ finds extensive use in the following applications: - Switched-mode power supplies - Motor control systems - Inverters and converters for renewable energy systems - Industrial automation equipment

Detailed and Complete Alternative Models

• STGD18N40LZ
• STGD20N40LZ
• IRF840
• IRF3205

In conclusion, the STGD19N40LZ power MOSFET offers high-performance characteristics suitable for a wide range of power electronics applications, providing efficient power management and control.

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