The FDN028N20 from onsemi is a MOSFET with Continous Drain Current 6.1 A, Drain Source Resistance 28 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.5 V. Tags: Surface Mount. More details for FDN028N20 can be seen below.