The Si3932DV from Vishay is a MOSFET with Continous Drain Current 3.7 A, Drain Source Resistance 47 to 73 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for Si3932DV can be seen below.