The TSM043NB04CZ from Taiwan Semiconductor is a MOSFET with Continous Drain Current 124 A, Drain Source Resistance 3.1 to 6.7 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for TSM043NB04CZ can be seen below.