The TK25S06N1L from Toshiba is a MOSFET with Continous Drain Current 25 A, Drain Source Resistance 15 to 36.8 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 2.5 V. Tags: Surface Mount. More details for TK25S06N1L can be seen below.