The TSM070NB04CR from Taiwan Semiconductor is a MOSFET with Continous Drain Current 75 A, Drain Source Resistance 4.7 to 7 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 TSM070NB04CR can be seen below.