The TK100A06N1 from Toshiba is a MOSFET with Continous Drain Current 263 A, Drain Source Resistance 2.2 to 2.7 Milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for TK100A06N1 can be seen below.