The FDS9933A from onsemi is a MOSFET with Continous Drain Current -3.8 A, Drain Source Resistance 58 to 120 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -1.5 V. Tags: Surface Mount. More details for FDS9933A can be seen below.