The TSM150NB04DCR from Taiwan Semiconductor is a MOSFET with Continous Drain Current 38 A, Drain Source Resistance 11 to 28.6 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for TSM150NB04DCR can be seen below.