STQ3N45K3-AP

Product Overview

Category

The STQ3N45K3-AP belongs to the category of power MOSFETs.

Use

It is used as a switching device in various electronic circuits and applications.

Characteristics

• High voltage capability
• Low input capacitance
• Fast switching speed
• Low on-resistance

Package

The STQ3N45K3-AP is typically available in a TO-220 package.

Essence

This MOSFET is essential for controlling high-power loads in electronic systems.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Drain-Source Voltage (VDS): 450V
• Continuous Drain Current (ID): 3A
• On-Resistance (RDS(on)): 1.4Ω
• Gate-Source Voltage (VGS): ±20V
• Total Gate Charge (Qg): 12nC
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The STQ3N45K3-AP typically has three pins: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

• High voltage capability allows for use in various power applications.
• Low input capacitance enables fast switching speeds.
• Low on-resistance minimizes power losses during operation.

Advantages and Disadvantages

Advantages

• Suitable for high-voltage applications
• Fast switching speed
• Low power dissipation

Disadvantages

• Higher cost compared to lower voltage MOSFETs
• Sensitive to static electricity

Working Principles

The STQ3N45K3-AP operates based on the principle of field-effect transistors, where the voltage applied to the gate terminal controls the flow of current between the drain and source terminals.

Detailed Application Field Plans

The STQ3N45K3-AP is commonly used in the following applications: - Switching power supplies - Motor control - Inverters - LED lighting - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the STQ3N45K3-AP include: - IRF840 - FQP27P06 - IRL540

In conclusion, the STQ3N45K3-AP power MOSFET offers high voltage capability, fast switching speed, and low on-resistance, making it suitable for a wide range of power applications. While it has advantages such as suitability for high-voltage applications and fast switching speed, it also has disadvantages including higher cost and sensitivity to static electricity. Its working principle is based on field-effect transistors, and it finds extensive use in switching power supplies, motor control, inverters, LED lighting, and audio amplifiers. Alternative models such as IRF840, FQP27P06, and IRL540 provide similar functionality and can be considered based on specific application requirements.

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