Welcome to TTI, Inc., we are API Delevan's premier authorized distributor. API Delevan is one of the largest U.S. manufacturers of inductors, chokes, and coils that support a wide variety of markets and applications, including military, aerospace, avionics, medical, and telecom. API Delevan products meet industry standards, are application specific, and RoHS compliant. Through this site you may search our huge inventory of API Delevan circuit protection and high reliability inductor products. Should you need additional assistance, our customer service team is ready to help at 1-877-645-4TTI.