The RM8N650DF from Rectron Semiconductor is a MOSFET with Continous Drain Current 7.5 A, Drain Source Resistance 460 to 540 milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4 V. Tags: Surface Mount. More details for RM8N650DF can be seen below.