The MDF5N50FTH from Magnachip Semiconductor is a MOSFET with Continous Drain Current 2.8 to 4.5 A, Drain Source Resistance 1.25 to 1.58 ohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Through Hole. More details for MDF5N50FTH can be seen below.