The Si8802DB from Vishay is a MOSFET with Continous Drain Current 3.5 A, Drain Source Resistance 44 to 135 Milliohm, Drain Source Breakdown Voltage 8 V, Gate Source Voltage -5 to 5 V, Gate Source Threshold Voltage 0.35 to 0.7 V. Tags: Surface Mount. More details for Si8802DB can be seen below.