The MGSF1N03LT1G from onsemi is a MOSFET with Continous Drain Current 2.1 A, Drain Source Resistance 80 to 145 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.4 V. Tags: Surface Mount. More details for MGSF1N03LT1G can be seen below.