The NTTFS034N15MC from onsemi is a MOSFET with Continous Drain Current 27 A, Drain Source Resistance 26 to 36.3 milliohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Surface Mount. More details for NTTFS034N15MC can be seen below.