The FDT3612 from onsemi is a MOSFET with Continous Drain Current 3.7 A, Drain Source Resistance 120 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 4 V. Tags: Surface Mount. More details for FDT3612 can be seen below.