Onsemi Ka5H0365Rtu.. HIGH-SIDE POWER SWITCH, 28V, TO220-4; Power Load Switch Type:High Side; Input Voltage:28V; Current Limit:2.15A; On State Resistance:4.5ohm; Distribution Switch Case Style:TO-220; No. of Pins:4Pins; Thermal Protection:Yes; MSL:- EUR 440.34 1