The Si9407BDY from Vishay is a MOSFET with Continous Drain Current -4.7 A, Drain Source Resistance 100 to 150 Milliohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -3 to -1 V. Tags: Surface Mount. More details for Si9407BDY can be seen below.