The TSM070NB04LCR from Taiwan Semiconductor is a MOSFET with Continous Drain Current 75 A, Drain Source Resistance 4.4 to 9.5 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for TSM070NB04LCR can be seen below.