The G20N03D2 from Goford Semiconductor is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 12.5 to 21 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2 V. Tags: Surface Mount. More details for G20N03D2 can be seen below.