The TSM038N04LCP from Taiwan Semiconductor is a MOSFET with Continous Drain Current 135 A, Drain Source Resistance 2.8 to 5 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for TSM038N04LCP can be seen below.