The MTB280N15L3-0-T3-G from Cystech Electronics is a MOSFET with Continous Drain Current 1.4 to 4.4 A, Drain Source Resistance 260 to 380 milli-ohm, Drain Source Breakdown Voltage 150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for MTB280N15L3-0-T3-G can be seen below.