STP9NK50Z - Semiconductor Device Encyclopedia Entry

Introduction

The STP9NK50Z is a power MOSFET belonging to the category of semiconductor 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: Power MOSFET
• Use: The STP9NK50Z is used as a high-voltage, fast-switching N-channel enhancement mode power MOSFET.
• Characteristics: It exhibits low input and output capacitance, low gate charge, and high avalanche ruggedness.
• Package: The STP9NK50Z is typically available in a TO-220 package.
• Essence: It is designed for use in applications requiring high efficiency and reliability.
• Packaging/Quantity: The STP9NK50Z is commonly packaged in reels or tubes containing multiple units.

Specifications

• Voltage Rating: 500V
• Current Rating: 9A
• RDS(ON): 1.15Ω
• Gate-Source Voltage (VGS): ±30V
• Operating Temperature Range: -55°C to 150°C
• Package Type: TO-220

Detailed Pin Configuration

The STP9NK50Z typically has three pins: 1. Gate (G) 2. Drain (D) 3. Source (S)

Functional Features

• High voltage capability
• Fast switching speed
• Low input and output capacitance
• Low gate charge
• Avalanche ruggedness

Advantages and Disadvantages

Advantages

• High efficiency
• Reliable performance
• Suitable for high-voltage applications
• Fast switching speed

Disadvantages

• Higher cost compared to lower voltage MOSFETs
• Requires careful handling due to high voltage rating

Working Principles

The STP9NK50Z operates based on the principle of controlling the flow of current between the drain and source terminals using the gate voltage. When a suitable voltage is applied to the gate, it allows the MOSFET to conduct current, enabling efficient power control in various electronic circuits.

Detailed Application Field Plans

The STP9NK50Z is commonly used in the following applications: - Switched-mode power supplies - Motor control - Electronic ballasts - Inverters - Lighting systems

Detailed and Complete Alternative Models

Some alternative models to the STP9NK50Z include: - IRFP460: A similar N-channel power MOSFET with a voltage rating of 500V and current rating of 20A. - FQP27P06: An alternative P-channel power MOSFET with a voltage rating of 60V and current rating of 27A. - IRF3205: Another N-channel power MOSFET with a voltage rating of 55V and current rating of 110A.

In conclusion, the STP9NK50Z is a high-voltage, fast-switching power MOSFET with characteristics suitable for various power control applications. Its efficient performance, high voltage capability, and reliability make it a popular choice in the electronics industry.

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