The FDH50N50-F133 from onsemi is a MOSFET with Continous Drain Current 48 A, Drain Source Resistance 89 to 105 milli-ohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for FDH50N50-F133 can be seen below.