The G20N06D52 from Goford Semiconductor is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 26 to 40 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for G20N06D52 can be seen below.