The Si8483DB from Vishay is a MOSFET with Continous Drain Current 16 A, Drain Source Resistance 22 to 92 Milliohm, Drain Source Breakdown Voltage -12 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage -0.9 to -0.4 V. Tags: Surface Mount. More details for Si8483DB can be seen below.