The BSS138PW from Nexperia is a MOSFET with Continous Drain Current 0.2 to 0.32 A, Drain Source Resistance 1000 to 1600 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.9 to 1.5 V. Tags: Surface Mount. More details for BSS138PW can be seen below.