The TK8P60W5 from Toshiba is a MOSFET with Continous Drain Current 8 A, Drain Source Resistance 440 to 560 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 4.5 V. Tags: Surface Mount. More details for TK8P60W5 can be seen below.