The STW55NM50N is a high-performance N-channel Power MOSFET presented by STMicroelectronics, renowned for its excellence in semiconductor manufacturing. This MOSFET is a part of the MDmesh™ V series, which is distinguished by its revolutionary vertical structure. The device is designed to offer extremely low on-resistance (R<sub>DS(on)) and high switching performance, making it an ideal choice for a wide range of power applications.

Key Features:

• High Voltage Capability: With a drain-source voltage (V<sub>DS) of 500 V, the STW55NM50N is equipped to handle high voltage applications, ensuring reliability and robustness in challenging environments.
• Low On-Resistance: The device features a very low on-state resistance of 0.055 Ω, which translates to reduced conduction losses and improved efficiency in power conversion systems.
• High Current Rating: A maximum continuous drain current (I<sub>D) of 55 A allows the MOSFET to handle significant power levels, suitable for demanding applications.
• MDmesh™ V Technology: Utilizing ST's proprietary MDmesh technology, the STW55NM50N achieves optimal performance by combining a low gate charge (Q<sub>g) and low R<sub>DS(on) with a high voltage rating, making it highly efficient for switch mode power supplies (SMPS), lighting, welding, and other high-power applications.
• Enhanced Switching Speed: The device features a fast-switching speed, which is critical for reducing switching losses and improving the performance of power electronic circuits.
• 100% Avalanche Tested: Guarantees robustness and reliability through stringent testing, ensuring the MOSFET can withstand high-energy pulses.

Applications:

The STW55NM50N is suitable for a diverse range of applications, including:

• Switch Mode Power Supplies (SMPS)
• High Performance Drives
• Power Factor Correction (PFC) circuits
• LED Lighting
• Welding Equipment
• Telecom and Server Power Supplies

With its combination of high voltage capability, low on-resistance, and high current handling, the STW55NM50N from STMicroelectronics represents a state-of-the-art solution for designers seeking to optimize the performance and efficiency of their power management systems.