The 2SJ649 from Renesas is a MOSFET with Continous Drain Current -20 to 20 A, Drain Source Resistance 38 to 75 milliohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Charge 38 nC. Tags: Through Hole. More details for 2SJ649 can be seen below.