The BSO220N03MD G from Infineon Technologies is a MOSFET with Continous Drain Current 7.7 A, Drain Source Resistance 18.3 to 27 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.1 V. Tags: Surface Mount. More details for BSO220N03MD G can be seen below.