The BSG0811ND from Infineon Technologies is a MOSFET with Continous Drain Current 19 to 50 A, Drain Source Resistance 0.7 to 4 milliohm, Drain Source Breakdown Voltage 25 V, Gate Source Voltage -16 to 16 V, Gate Source Threshold Voltage 1.2 to 2 V. Tags: Surface Mount. More details for BSG0811ND can be seen below.