The SiE822DF from Vishay is a MOSFET with Continous Drain Current 50 A, Drain Source Resistance 2.8 to 5.5 Milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 3 V. Tags: Surface Mount. More details for SiE822DF can be seen below.