The PMXB40UNE from Nexperia is a MOSFET with Continous Drain Current 2.5 to 3.2 A, Drain Source Resistance 34 to 121 milliohm, Drain Source Breakdown Voltage 12 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.4 to 0.9 V. Tags: Surface Mount. More details for PMXB40UNE can be seen below.