FAIRCHILD FDH44N50 Manual
User Manual
The document introduces a Fairchild semiconductor product called FDH44N50. This product is an N-channel SMPS power MOSFET with features such as 44A continuous drain current, 500V drain-to-source voltage, and 0.12 Ohm on-resistance. It is suitable for various switch mode power supply applications, such as PFC Boost, Two-Switch Forward Converter, Single Switch Forward Converter, Flyback Converter, Buck Converter, and high-speed switching. The product features low gate charge Qg, improved gate, avalanche and high reapplied dv/dt ruggedness, reduced on-resistance, reduced Miller capacitance and low input capacitance, improved switching speed with low EMI, and a rated junction temperature of 175°C.