The TK9A20DA from Toshiba is a MOSFET with Continous Drain Current 8.5 A, Drain Source Resistance 26 to 40 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 3.5 V. Tags: Through Hole. More details for TK9A20DA can be seen below.