Littelfuse, Inc provides world-class solutions for both over-current and over-voltage protection. With world-wide network of engineering support, Littelfuse offers quick turn-around support along with lab testing to become a preferred protection brand for engineers. Littelfuse is one of the world-leaders in silicon over-voltage protection, offering a wide range of solution types, providing a wide selection of package options and a wide range of surge rated options for many different application types.