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Transformers from obsolete equipment often have odd voltages and little value other then what their copper windings and steel is worth as scrap metal, but following are some cores & laminations I've removed windings from and saved for those that like to wind custom transformers. E-mail if more, or other sizes, are needed as I have more transformers with odd voltages and will remove the windings to reduce the shipment cost or ship as is to save having to wind a new 120V primary. Audio & other types of transformers not worth determining spec's for are also available plus hundred's of pounds of large 6 - 8" laminations until they're sold as scrap. Notes Regarding the Transformer Spec's provided on my other transformer pages |
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A size code is provided to help find laminations of a certain size or a complete transformer with laminations of a certain size when looking for a core with a 120V primary to save having to wind one. E-mail if laminations of a different size then what's listed are needed as codes were only used to identify the most common sizes. ≈ preceding the VA of unknown transformers (those without manuf's spec's) indicates the VA rating was determined simply from the core cross sectional area, but other factors often must also be considered and manufactures VA ratings can often be up to twice as much. No ≈ preceeding the VA of unknown transformers means further tests were done to determine the VA rating as accuratly as possible. |
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Testing is also required to determine what VA percentage applies to each secondary of unknown transformers with more then one and why no secondary current ratings are usually seen in such cases (except for a few where it was known most of the estimated VA applied to one secondary). E-mail if interested in a transformer with missing spec's & I'll do further tests to determine them the best I can. |
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![]() Core F1 - 1" wide. |
![]() Core F2 - 7/8" wide. |
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(Sorry for such a short listing, but someone purchased 90% of what was listed the first day they were.)
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