The TSM019NH04CR from Taiwan Semiconductor is a MOSFET with Continous Drain Current 100 A, Drain Source Resistance 1.3 to 2.3 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.4 to 3.6 V. Tags: Surface Mount. More details for TSM019NH04CR can be seen below.