The RJK0853DPB from Renesas is a MOSFET with Continous Drain Current 40 A, Drain Source Resistance 6.2 to 9.2 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Charge 40 nC. Tags: Surface Mount. More details for RJK0853DPB can be seen below.