STMicroelectronics

STW45NM50

STW45NM50 Description

The STW45NM50 from STMicroelectronics is a high-performance N-channel MOSFET designed for demanding power applications. With a 500V drain-to-source voltage (Vdss) and 45A continuous drain current (Id), it offers robust performance in high-voltage, high-current environments. This device is part of the MDmesh™ series, leveraging advanced Metal Oxide Semiconductor (MOSFET) technology to deliver low conduction losses and high switching efficiency. Packaged in a TO-247-3 through-hole format, it ensures reliable thermal management and mechanical stability.

STW45NM50 Features

• Low On-Resistance: 100mΩ (max) @ 10V, 22.5A, minimizing power dissipation and improving efficiency.
• High Power Handling: 417W (max) power dissipation (Tc), suitable for high-load applications.
• Fast Switching: Optimized gate charge (Qg) of 117nC @ 10V and input capacitance (Ciss) of 3700pF @ 25V, enabling efficient high-frequency operation.
• Wide Gate-Source Voltage Range: ±30V (Vgs max), providing flexibility in drive circuitry design.
• Robust Construction: TO-247-3 package ensures excellent thermal performance and durability.
• Compliance: ROHS3 compliant, REACH unaffected, and MSL 1 (unlimited) for environmental and reliability assurance.

STW45NM50 Applications

• Switched-Mode Power Supplies (SMPS): Ideal for AC-DC converters, PFC stages, and DC-DC converters due to high voltage tolerance and low Rds(on).
• Motor Drives: Suitable for industrial motor control, inverters, and servo drives thanks to high current handling and thermal stability.
• Renewable Energy Systems: Effective in solar inverters and wind power converters where efficiency and reliability are critical.
• High-Power Lighting: Used in LED drivers and HID ballasts requiring high-voltage switching.

Conclusion of STW45NM50

The STW45NM50 stands out as a high-efficiency, high-reliability MOSFET for power electronics. Its low Rds(on), high power dissipation, and fast switching characteristics make it superior to standard MOSFETs in demanding applications. Whether in industrial power systems, renewable energy, or motor control, this device delivers optimal performance and long-term durability, backed by STMicroelectronics' proven MDmesh™ technology.