The NTK3139PT5G from onsemi is a MOSFET with Continous Drain Current -0.87 A, Drain Source Resistance 380 to 2200 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -6 to 6 V, Gate Source Threshold Voltage -1.2 to -0.45 V. Tags: Surface Mount. More details for NTK3139PT5G can be seen below.