The TK28N65W from Toshiba is a MOSFET with Continous Drain Current 27.6 A, Drain Source Resistance 94 to 110 Milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Through Hole. More details for TK28N65W can be seen below.