The Si4825DDY from Vishay is a MOSFET with Continous Drain Current 14.9 A, Drain Source Resistance 10 to 20.5 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -25 to 25 V, Gate Source Threshold Voltage -1.4 to -2.5 V. Tags: Surface Mount. More details for Si4825DDY can be seen below.