The TK25Z60X from Toshiba is a MOSFET with Continous Drain Current 25 A, Drain Source Resistance 105 to 125 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Through Hole. More details for TK25Z60X can be seen below.