W45NM50 (STW45NM50), N-Channel Power MOSFET, TO-247

The W45NM50 (STW45NM50) is a robust MDmesh™ N-channel MOSFET developed by STMicroelectronics. It features low R_DS(on), fast switching speed, and high avalanche capability, making it suitable for high-efficiency power converters, UPS, and high-voltage SMPS. Its TO-247 package allows for effective thermal dissipation under full load.

Key Features:

• High Voltage Handling: Capable of operating at 550V @ T_J,max and 500V typical.
• High Current Capability: Supports continuous drain current up to 45 A @ 25°C.
• Low On-Resistance: R_DS(on) as low as 0.08Ω, enhancing conduction efficiency.
• Very High Power Dissipation: Rated at 417 W, with superior thermal resistance.
• Fast Switching: Optimized for high-speed applications with 117 nC total gate charge.
• Avalanche Rated: Withstands repetitive energy up to 810 mJ.

Additional Specifications:

• Mounting Style: Through Hole
• Continuous Current Drain (Id): 45A At 25°C
• Drain-Source Breakdown Voltage (Vds): 550V
• Gate-Source Threshld Voltage (Vgs th): 3-5V
• Power Dissipation: 417W
• Operating Temprature: -65+150°C