The TK3A65D from Toshiba is a MOSFET with Continous Drain Current 3 A, Drain Source Resistance 1930 to 2250 Milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.4 to 4.4 V. Tags: Through Hole. More details for TK3A65D can be seen below.