The YJS2308A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current -3.7 to 5.6 A, Drain Source Resistance 19.5 to 110 milliohm, Drain Source Breakdown Voltage -20 to 20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage -1 to 1 V. Tags: Surface Mount. More details for YJS2308A can be seen below.