Littelfuse acquired Hamlin in 2013. Founded in 1949, Hamlin Electronics is a leader in sensor technology, providing standard products and custom solutions for leading global manufacturers in the automotive and other industries. The company's product line includes reed, hall-effect, inductive and its newly-developed PWG linear sensing technologies, as well as switches and relays. Headquartered in Lake Mills, Wis., Hamlin has manufacturing, engineering and sales offices in the U.S., Mexico, Europe and Asia.