The FDD5N50NZF from onsemi is a MOSFET with Continous Drain Current 3.7 A, Drain Source Resistance 1750 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage 5 V. Tags: Surface Mount. More details for FDD5N50NZF can be seen below.