STMicroelectronics

STW29NK50Z

STW29NK50Z Description

The STW29NK50Z from STMicroelectronics is a 500V N-channel SuperMESH™ MOSFET designed for high-power switching applications. With a continuous drain current (Id) of 31A (Tc) and a low on-resistance (Rds(on)) of 130mΩ @ 10V, it delivers efficient power handling with minimal conduction losses. The device features a high drain-to-source voltage (Vdss) of 500V, making it suitable for demanding industrial and automotive environments. Packaged in a TO-247-3 through-hole format, it ensures robust thermal performance with a maximum power dissipation of 350W (Tc).

STW29NK50Z Features

• SuperMESH™ Technology: Enhances switching efficiency and reduces conduction losses.
• High Voltage & Current Rating: 500V Vdss and 31A Id for rugged applications.
• Low Gate Charge (Qg): 266nC @ 10V ensures fast switching and reduced drive losses.
• Low On-Resistance: 130mΩ @ 10V minimizes power dissipation.
• Wide Vgs Range: ±30V for flexible gate drive compatibility.
• Thermal Performance: TO-247-3 package optimizes heat dissipation.
• Compliance: ROHS3 and REACH compliant, with MSL 1 (Unlimited) moisture sensitivity.

STW29NK50Z Applications

• Switched-Mode Power Supplies (SMPS): High-efficiency PFC and DC-DC converters.
• Motor Drives & Inverters: Industrial motor control and servo systems.
• Automotive Systems: Electric vehicle (EV) power management and charging circuits.
• Renewable Energy: Solar inverters and wind turbine converters.
• Industrial Equipment: High-voltage switching in welding machines and UPS systems.

Conclusion of STW29NK50Z

The STW29NK50Z is a high-performance MOSFET optimized for high-voltage, high-current applications where efficiency and reliability are critical. Its SuperMESH™ technology, low Rds(on), and robust thermal design make it ideal for power electronics in industrial, automotive, and renewable energy systems. While the product is obsolete, its legacy performance remains a benchmark for similar high-power MOSFETs. Engineers seeking alternatives should consider STMicroelectronics' newer SuperMESH™ offerings for updated specifications.