The FDP52N20 from onsemi is a MOSFET with Continous Drain Current 52 A, Drain Source Resistance 41 to 49 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for FDP52N20 can be seen below.