STMicroelectronics

STW55NM60N

STW55NM60N Description

The STW55NM60N from STMicroelectronics is a high-performance N-channel 600V, 51A power MOSFET housed in a TO-247-3 package. Built using MDmesh™ II technology, it delivers superior switching efficiency and thermal performance, making it ideal for high-power applications. With a low on-resistance (Rds(on)) of 60mΩ @ 25.5A, 10V, it minimizes conduction losses, while its high drain current capability (51A @ 25°C) ensures robust operation under demanding conditions. The device supports a gate-source voltage (Vgs) range of ±25V and features a maximum power dissipation of 350W (Tc), enabling reliable performance in high-temperature environments up to 150°C (TJ).

STW55NM60N Features

• Advanced MDmesh™ II Technology: Enhances switching efficiency and reduces conduction losses.
• Low Gate Charge (Qg): 190nC @ 10V ensures fast switching and reduced drive losses.
• High Voltage & Current Ratings: 600V Vdss and 51A continuous drain current for high-power applications.
• Low Rds(on): 60mΩ @ 25.5A, 10V improves efficiency in power conversion.
• Robust Thermal Performance: 350W power dissipation and TO-247-3 package for effective heat management.
• Wide Vgs Range: ±25V allows flexible gate drive design.
• Compliance & Reliability: ROHS3 compliant, REACH unaffected, and MSL 1 (Unlimited) for environmental and handling resilience.

STW55NM60N Applications

The STW55NM60N excels in high-voltage, high-current applications, including:

• Switched-Mode Power Supplies (SMPS): Efficient power conversion in industrial and telecom PSUs.
• Motor Drives & Inverters: High-performance control in industrial motor systems.
• Renewable Energy Systems: Solar inverters and wind power converters requiring high efficiency.
• Welding Equipment: Reliable operation in high-power welding machines.
• Uninterruptible Power Supplies (UPS): Ensures stable power delivery in critical backup systems.

Conclusion of STW55NM60N

The STW55NM60N stands out as a high-efficiency, high-reliability 600V MOSFET for demanding power electronics applications. Its low Rds(on), fast switching, and robust thermal characteristics make it a preferred choice for engineers designing SMPS, motor drives, and renewable energy systems. While marked as obsolete, its performance metrics ensure continued relevance in legacy and high-power designs where efficiency and durability are critical.