The RJF0412JSP from Renesas is a MOSFET with Continous Drain Current 10 A, Drain Source Resistance 23 to 43 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -2.5 to 16 V, Power Dissipation 2.5 W. Tags: Surface Mount. More details for RJF0412JSP can be seen below.