The FDMC8878 from onsemi is a MOSFET with Continous Drain Current 16.5 A, Drain Source Resistance 14 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3 V. Tags: Surface Mount. More details for FDMC8878 can be seen below.