The 3401H from Goford Semiconductor is a MOSFET with Continous Drain Current -5.3 A, Drain Source Resistance 55 to 85 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.3 to -0.7 V. Tags: Surface Mount. More details for 3401H can be seen below.