The TK70J20D from Toshiba is a MOSFET with Continous Drain Current 70 A, Drain Source Resistance 20 to 27 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 TK70J20D can be seen below.