This assembly is a double stack of mix 31 toroids, a high permeability mix used by Balun Designs for many coax wound 1:1 baluns. High permeability suppression mix provides excellent choking performance but should be used with 1:1 ratio baluns only...

This assembly is a double stack of medium permeability mix 43 toroids. Best choice for medium to high power End Fed Half Wave transformers (=< 1kW)

This assembly is a double stack of a low permeability (<300) toroids, a custom ferrite mix used by Balun Designs for most wire wound designs. This mix is the best choice for a coaxial wound suppression/choke balun used from 7-54 MHz The low...

Full size (2.4") mix 31 ferrite with white identifying color and surface sealer/coating that provides excellent long term weatherproofing.  

This is a mix 43, medium permeability toroid best for moderate power (<= 500w) EFHW designs and choking above 40 MHz.

This is low permeability (<300) custom ferrite mix used by Balun Designs for most wire wound designs.  Best permeability for most wire wound baluns and ununs. Not recommended for EFHW. Can be used bare or inserted in Teflon tubing for very...

Mil Spec M17/111 coax that is just right for winding numerous types of suppression/choke baluns and some ununs.  This coax is very rugged but also somewhat stiff due to the Teflon insulator and silver clad solid steel center conductor.  It also...

Pricing is per foot with a minimum of 10 ft and a max of 50 ft. Teflon (PTFE) tubing is utilized with many types of balun and unun windings to increase inter conductor breakdown voltage and to manage characteristic impedance of the windings.  When...

Replacement enclosure for a damaged balun or unun.  If you would like the enclosure pre-drilled, please enter your model number where indicated and it will be drilled to our current specifications. If you prefer a blank enclosure, insert the word...

Panel mount female BNC connector with Teflon insulator and gold center conductor.  This is a high quality Amphenol connector

Standard bulkhead four hole SO-239, female UHF connector.  Teflon insulator with gold plated center conductor. This particular connector has a slightly longer neck for mounting through sides of enclosures.

Bulkhead four hole female N connector.  Teflon insulator and gold center conductor