The 2SK3404 from Renesas is a MOSFET with Continous Drain Current -40 to 40 A, Drain Source Resistance 11 to 21 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Charge 25 nC. Tags: Through Hole. More details for 2SK3404 can be seen below.