The TK10A50W from Toshiba is a MOSFET with Continous Drain Current 9.7 A, Drain Source Resistance 327 to 380 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.7 to 3.7 V. Tags: Through Hole. More details for TK10A50W can be seen below.