The 2SK3479-Z from Renesas is a MOSFET with Continous Drain Current -83 to 83 A, Drain Source Resistance 8.8 to 13 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Charge 210 nC. Tags: Surface Mount. More details for 2SK3479-Z can be seen below.