Furukawa Electric's Insulated Winding Wire series has various wire types to realize size and cost reduction or high efficiency of transformers.
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 Triple Insulated WireStandard Type TEX-E Triple Insulated WireStandard Type TEX-ESolderable wire of single conductor and triple insulation layers. The layers are organized by heat resistant modified polyester and polyamide. 
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 Triple Insulated WireSelf-Bonding Type TEX-ECEW3 Triple Insulated WireSelf-Bonding Type TEX-ECEW3Wire with additional self-bonding layer around TEX-E for bobbinless coils. 
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 Triple Insulated WireLitz Type TEX-ELZ Triple Insulated WireLitz Type TEX-ELZWire organized by litz conductor and triple insulation layers for high frequency applications. 
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 Triple Insulated WireMulti-strand wire TEX-ELZS Triple Insulated WireMulti-strand wire TEX-ELZSA wire organized with an increased number of Litz conductors and triple insulation layers for even higher frequency applications.