The G100N03 from Goford Semiconductor is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 4 to 5.5 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for G100N03 can be seen below.