The MMF50R280PTH from Magnachip Semiconductor is a MOSFET with Continous Drain Current 8.2 to 13 A, Drain Source Resistance 0.25 to 0.28 ohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Through Hole. More details for MMF50R280PTH can be seen below.