The FDS4897C from onsemi is a MOSFET with Continous Drain Current -4.4 to 6.2 A, Drain Source Resistance 29 to 46 milliohm, Drain Source Breakdown Voltage -40 to 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -3 to 3 V. Tags: Surface Mount. More details for FDS4897C can be seen below.