The NX138BKM from Nexperia is a MOSFET with Continous Drain Current 0.24 to 0.38 A, Drain Source Resistance 1800 to 4900 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.5 to 1.5 V. Tags: Surface Mount. More details for NX138BKM can be seen below.