This document is a product specification for PBSS4350S, a 50V low VCEsat NPN transistor. The transistor features high power dissipation, ultra low collector-emitter saturation voltage, 3A continuous current, and high current switching. It is suitable for medium power switching and muting, linear regulators, DC/DC converters, supply line switching circuits, battery management applications, strobe flash units, and heavy duty battery powered equipment.