The G3401A from Goford Semiconductor is a MOSFET with Continous Drain Current -4.4 A, Drain Source Resistance 40 to 72 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.4 to -0.5 V. Tags: Surface Mount. More details for G3401A can be seen below.