The RCJ510N25 from ROHM Semiconductor is a MOSFET with Continous Drain Current -51 to 51 A, Drain Source Resistance 48 to 155 milliohm, Drain Source Breakdown Voltage 250 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for RCJ510N25 can be seen below.