The MDD5N50GRH from Magnachip Semiconductor is a MOSFET with Continous Drain Current 2.8 to 4.4 A, Drain Source Resistance 1.15 to 1.4 ohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.0 to 5.0 V. Tags: Surface Mount. More details for MDD5N50GRH can be seen below.