The 2SJ647 from Renesas is a MOSFET with Continous Drain Current -0.4 to 0.4 A, Drain Source Resistance 1170 to 2980 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Power Dissipation 0.2 W. Tags: Surface Mount. More details for 2SJ647 can be seen below.