The G100N03D5 from Goford Semiconductor is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 2.5 to 4.5 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for G100N03D5 can be seen below.