The FDS8858CZ from onsemi is a MOSFET with Continous Drain Current -7.3 to 8.6 A, Drain Source Resistance 20.5 milliohm, Drain Source Breakdown Voltage -30 to 30 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage -3 to 3 V. Tags: Surface Mount. More details for FDS8858CZ can be seen below.