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This site is devoted to those personally or professionally interested in Research and Development, experimentation, or manufacturing. CWS ByteMark specializes in producing R&D / experimenter products and providing small to large quantities of specialized electronic components. Some of the parts stocked are ferrite and powdered iron components including ferrite toroids, powdered iron toroids, ferrite rods, ferrite beads, and the technical data to use them. These parts are widely used for RF and Digital applications such as resonant circuits, switch mode power supplies, RFI / EMI suppression, signal transformers and DC chokes. CWS ByteMark purchases magnetic products directly from the manufacturer and is no longer a distributor for or it's associates.