The 2SK3484-Z from Renesas is a MOSFET with Continous Drain Current -16 to 16 A, Drain Source Resistance 100 to 148 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Charge 20 nC. Tags: Surface Mount. More details for 2SK3484-Z can be seen below.