C&K is now part of Littelfuse Inc. Founded in 1928, C&K is one of the world's most trusted brands of high-quality electromechanical switches. The company's unmatched custom design capabilities are recognized globally by design engineers who demand reliable switch performance.

C&K offers more than 55,000 standard products and 8.5 million switch combinations to companies that design, manufacture and distribute electronics products.

Used in automobile, industrial, IoT, wearables, medical, telecom, consumer products, aerospace, and POS terminals, C&K products include tactile, pushbutton, snap-acting, toggle, rocker, detect, DIP, keyswitch, navigation, rotary, slide, switchlock, thumbwheel, smart card readers, high-rel connectors and custom assemblies