The TK72A08N1 from Toshiba is a MOSFET with Continous Drain Current 157 A, Drain Source Resistance 3.7 to 4.5 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for TK72A08N1 can be seen below.