STP9NK50Z Overview
The STP9NK50Z is a high-voltage N-channel MOSFET designed for efficient power switching applications requiring robust performance and reliability. With a maximum drain-source voltage of 500 V and low on-resistance, this device delivers excellent conduction efficiency, making it ideal for industrial power supplies, motor drives, and lighting systems. Its rugged construction ensures stable operation under high voltage stress and thermal conditions. The STP9NK50Z offers engineers a dependable solution for high-voltage switching needs, combining durability with optimized electrical characteristics. For more details, visit IC Manufacturer.
STP9NK50Z Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 500 | V |
| Gate-Source Voltage (VGS) | ??20 | V |
| Continuous Drain Current (ID) @ 25??C | 9 | A |
| Drain-Source On-Resistance (RDS(on)) | 0.55 | ?? |
| Power Dissipation (PD) | 75 | W |
| Gate Charge (Qg) | 22 | nC |
| Operating Junction Temperature (Tj) | -55 to 175 | ??C |
| Package Type | TO-220 | ?C |
STP9NK50Z Key Features
- High voltage rating: Supports up to 500 V drain-source voltage, enabling use in demanding industrial and power supply circuits.
- Low on-resistance: Minimizes conduction losses, improving overall power efficiency and reducing heat generation in switching applications.
- Robust thermal performance: Rated for junction temperatures up to 175??C, ensuring reliable operation under high thermal stress.
- Standard TO-220 package: Facilitates easy mounting and integration with heat sinks for enhanced thermal management.
Typical Applications
- Industrial power converters and switch-mode power supplies requiring reliable high-voltage switching components with low conduction losses.
- Motor control circuits, including variable frequency drives, benefiting from fast switching and robust voltage tolerance.
- Lighting ballasts and electronic lighting control systems needing efficient high-voltage MOSFETs.
- General-purpose high-voltage switching in industrial automation and energy management systems.
STP9NK50Z Advantages vs Typical Alternatives
This MOSFET stands out by combining a high 500 V voltage rating with a relatively low on-resistance, enabling improved power efficiency and thermal management compared to many standard high-voltage transistors. Its TO-220 package offers practical mounting options for enhanced heat dissipation. These advantages make it a preferred choice for engineers seeking reliable, high-performance switches in demanding industrial and power electronics environments.
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STP9NK50Z Brand Info
The STP9NK50Z is manufactured by STMicroelectronics, a leading global semiconductor company known for its extensive portfolio of power MOSFETs and discrete components. STMicroelectronics provides reliable and high-quality devices designed for industrial, automotive, and consumer applications. The STP9NK50Z reflects ST??s commitment to delivering durable, efficient power transistors optimized for high-voltage switching and energy management solutions.
FAQ
What is the maximum voltage the STP9NK50Z can handle?
This MOSFET supports a maximum drain-source voltage of 500 V, making it suitable for high-voltage industrial and power supply applications requiring robust switching capability.
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How does the on-resistance affect device performance?
The low drain-source on-resistance of 0.55 ?? reduces power losses during conduction, which improves energy efficiency and reduces heat dissipation, enhancing overall device reliability.
Which package does the STP9NK50Z come in, and why is it important?
It is supplied in a TO-220 package that allows easy mounting and effective heat sinking, crucial for
