Stock Programs: Standard Toroidal Cores, Amorphous C-Cores, GOSS C-Cores and O-Cores
Optional : Primary Winding and Mounting Hardware are available for selected sizes.
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Gapped Toroids: Toroids may be gapped for chokes or line reactors as well as current sensors utilizing Hall Effect Devices. Please specify the Material, ID, OD, Ht., and desired Gap Width.
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Cut Cores (C-Cores and E-Cores): Cores are wound onto rectangularly shaped mandrels, annealed and resin impregnated before being cut in two utilizing abrasive cutoff machines. The cut surfaces are meticulously polished and treated to reduce excitation current and losses. Core halves may be shimmed apart to produce defined gaps in chokes and line reactors. E-cores have three legs for three phase designs. Cut cores are assembled utilizing steel bands under controlled tension.
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Special Shaped Cores: We often develop new products to meet specific needs and we gained a reputation as problem solvers in the field of manufacturing special shaped tape wound toroids. Please call us to discuss your needs at 1-800-836-5920 or send an e-mail with your specifications to sales@alphacore.com.
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O-Cores: Toroids are 30-40% lighter and more compact than E-I transformers. One reason is that the magnetic flux runs parallel to the grain orientation in all parts of the core and another that less wire is needed because the windings are distributed evenly over the entire core circumference, resulting in a shorte mean turn length. read more... |