Magnetic Components Founded in 1942, we have grown from supplying magnetic components to the U.S. military and NASA to providing tape wound transformer cores used in: Power and navigation systems for the Aerospace and Defense industries; Transformer assemblies and GFCIs for electric vehicles and EV charging stations; Power supplies and transformers for medical electronic devices and power electronics; Communications equipment for the Telecom and Audio industries; Voltage monitoring & measuring devices for industrial controls and electric utilities, and many other applications. We employ a team-based development process utilizing our technical expertise in material selection, metallurgical processing and fabrication to engineer the highest quality magnetic cores and custom magnetic components that meet our customers most stringent specifications and application requirements.