18w constant current led driver power supplies lphc 18 series mean well lphc 18 350 a 350ma 18w led driver switching power supplies that has a constant current output the unit is designed for high reliability and low cost and comes in a fully encapsulated case that is ip67 rated so the unit is suitable for indoor and outdoor use in applications such as led lighting systems and mobile signage lphc 18 350 mean well 350ma 18w constant current led driver power supply