The SI4435DY from onsemi is a MOSFET with Continous Drain Current -8.8 A, Drain Source Resistance 15 to 35 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -3 to -1 V. Tags: Surface Mount. More details for SI4435DY can be seen below.