The FDS8878-F123 from onsemi is a MOSFET with Continous Drain Current 10.2 A, Drain Source Resistance 11 to 22.7 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.5 V. Tags: Surface Mount. More details for FDS8878-F123 can be seen below.