The FDP51N25 from onsemi is a MOSFET with Continous Drain Current 51 A, Drain Source Resistance 55 to 70 milliohm, Drain Source Breakdown Voltage 250 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for FDP51N25 can be seen below.