Amidon

Amidon Associates Manufactures Ferrite & iron powder cores, EMI/RFI filters, chokes, inductors, transformers, custom core coil formsToday Amidon serves a large corporate customer base and is a leading distributor of ferrites, iron powder cores, and inductors, however we are still one of the few companies in our industry that is committed to supplying the ham community with the parts they need for RF shielding, balun antennas, and power supplies. The Amidon Associates produces a broad line of ferrite beads, coil forms, cores and specialty items for the electronic experimenter.These products have wide use in RFI suppressions, antenna design and matching. (Dimensions are in inches). Click here for material chart.A Ferrite bead is a dowel-like device which has a center hole and is composed of ferromagnetic material. When placed on to a current carrying conductor it will act as an RF choke. It offers convenient, inexpensive, yet effective meansof RF shielding, parasitic suppression and RF decoupling.