The TK12A60W from Toshiba is a MOSFET with Continous Drain Current 11.5 A, Drain Source Resistance 265 to 300 milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for TK12A60W can be seen below.