Digi-Key Electronics, a global electronic components distributor, announced that it has expanded its product portfolio by signing a U.S. distribution partnership with American Zettler, providing Digi-Key customers with a wide range of electromechanical relays from American Zettler, Zettler Magnetics and AZ Displays. This expansion is part of Digi-Key’s Marketplace initiative, expanding the world’s largest selection…