The GT090N06D52 from Goford Semiconductor is a MOSFET with Continous Drain Current 40 A, Drain Source Resistance 10 to 18 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for GT090N06D52 can be seen below.