The TSM190N08CZ from Taiwan Semiconductor is a MOSFET with Continous Drain Current 190 A, Drain Source Resistance 3.4 to 4.2 milliohm, Drain Source Breakdown Voltage 75 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for TSM190N08CZ can be seen below.