The FDS8984-F40 from onsemi is a MOSFET with Continous Drain Current 7 A, Drain Source Resistance 19 to 32 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 FDS8984-F40 can be seen below.