The FDH44N50 from onsemi is a MOSFET with Continous Drain Current 44 A, Drain Source Resistance 120 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 4 V. Tags: Through Hole. More details for FDH44N50 can be seen below.