The TK370A60F from Toshiba is a MOSFET with Continous Drain Current 15 A, Drain Source Resistance 30 to 37 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 TK370A60F can be seen below.