The SiAA02DJ from Vishay is a MOSFET with Continous Drain Current 52 A, Drain Source Resistance 3.5 to 16.2 Milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.6 to 1.6 V. Tags: Surface Mount. More details for SiAA02DJ can be seen below.