The YJS4435A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current -10 A, Drain Source Resistance 15.3 to 27.8 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for YJS4435A can be seen below.