Toroids from .050 inside diameter to 30 inches outside diameter can be wound using wire sizes from 7 AWG through 46 AWG in open or cased styles, varnish or epoxy encapsulated. We also work with larger sizes for custom orders. We proudly offer a wide range of toroid winding services. Call us today for a full-list of capabilities.

Torelco is equipped to fill your requirements for bobbin wound devices with the same attention to quality and service that the industry has come to expect from our toroid line. Bobbins are cylinders (with or without flanges) on which wire is wound. The devices function as the container for the wire that acts to create the shape of the coil.

Special packaging requirements are Torelco's specialty. Let us customize a device to provide a perfect fit with your application. Utilize our versatility to create solutions to your unique conditions. We specialize in providing custom toroid and bobbin transformers that are built to the exact specs of drawings provided to us.