The RJK0355DSP from Renesas is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 8.5 to 16.8 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Charge 6 nC. Tags: Surface Mount. More details for RJK0355DSP can be seen below.