STF20N90K5 - N-channel 900 V, 0.190 Ohm typ., 20 A MDmesh™ K5 Power MOSFET in a TO-220FP package

The STF20N90K5 is a state-of-the-art N-channel Power MOSFET presented by STMicroelectronics, designed based on the innovative MDmesh™ K5 technology. This technology capitalizes on an enhanced vertical structure, which confers the MOSFET with extremely low on-resistance and a high dv/dt capability, making it an ideal choice for high-efficiency applications.

Key Features

• Voltage Rating: The STF20N90K5 boasts a high voltage rating of 900 V, allowing for robust performance in high voltage applications.
• On-Resistance: With a typical on-resistance of just 0.190 Ohm, this MOSFET ensures minimal conduction losses and improved overall efficiency.
• Current Rating: It can handle a continuous current of 20 A, making it suitable for handling high power loads.
• TO-220FP Package: Encased in a TO-220FP package, it offers a compact form factor with good thermal performance.
• Zener-protected: The gate of this MOSFET is protected with an integrated Zener diode, safeguarding it against electrostatic discharge (ESD) and enhancing its ruggedness.

Applications

The STF20N90K5 is versatile and can be utilized in a variety of applications, including:

• Switch Mode Power Supplies (SMPS)
• LED Lighting applications
• High-performance computing
• Welding, Plasma Cutting, and Inductive Heating
• Power factor correction circuits

Advantages of MDmesh™ K5 Technology

MDmesh™ K5 technology is renowned for reducing conduction losses and enhancing switching performance. This is achieved through an optimized body diode which exhibits a very soft recovery behavior. The STF20N90K5 also features a very low gate charge and intrinsic capacitances, which significantly improve the switching behavior, thus reducing switching losses in applications where high switching frequencies are required.

Environmental and Quality Certifications

STMicroelectronics is committed to providing environmentally friendly products. The STF20N90K5 is compliant with RoHS and other relevant environmental directives. Additionally, it is supported by ST's quality management processes, ensuring high reliability and performance consistency.