STMicroelectronics

STW40N65M2  

Single FETs, MOSFETs

STW40N65M2 Description

The STW40N65M2 from STMicroelectronics is a high-performance N-channel 650V MOSFET designed for demanding power applications. Part of the MDmesh™ M2 series, it combines low on-resistance (99mΩ @ 16A, 10V) with high current handling (32A continuous drain current @ 25°C) and robust thermal performance (250W max power dissipation @ Tc). Its TO-247 package ensures efficient heat dissipation, making it suitable for high-power designs. The device operates reliably up to 150°C junction temperature and features a low gate charge (56.5nC @ 10V), enabling fast switching and reduced conduction losses.

STW40N65M2 Features

• High Voltage & Current Rating: 650V Vdss and 32A Id for robust power handling.
• Low Rds(on): 99mΩ minimizes conduction losses, improving efficiency.
• Fast Switching: Optimized gate charge (56.5nC) and input capacitance (2355pF) enhance performance in high-frequency applications.
• Thermal Efficiency: TO-247 package with 250W power dissipation capability ensures stability under heavy loads.
• Wide Drive Voltage Range: Supports ±25V Vgs, with 10V recommended for optimal Rds(on).
• Reliability: ROHS3 compliant, REACH unaffected, and MSL 1 (unlimited) for long-term durability.

STW40N65M2 Applications

This MOSFET excels in high-efficiency power systems, including:

• Switched-Mode Power Supplies (SMPS): High-voltage DC-DC converters and PFC stages.
• Motor Drives & Inverters: Efficient switching in industrial and automotive motor control.
• Renewable Energy Systems: Solar inverters and wind power converters.
• UPS & Industrial Power Modules: Reliable performance in backup and high-current applications.

Conclusion of STW40N65M2

The STW40N65M2 stands out for its low conduction losses, high switching speed, and thermal robustness, making it ideal for high-power, high-efficiency designs. Its MDmesh™ M2 technology ensures superior performance compared to standard MOSFETs, particularly in applications requiring high voltage and current handling. With STMicroelectronics' proven reliability, this MOSFET is a top choice for engineers designing advanced power electronics systems.

STW40N65M2 Documents

Download datasheets and manufacturer documentation for STW40N65M2

Datasheets :

STW40N65M2      

PCN Packaging :

Standard outer labelling 15/Nov/2023      

HTML Datasheet :

STW40N65M2