Carl wrote:
>Ive yet to find an unknown ferrite that cant be tested with simple
>methods to get a ballpark indication. Then its a simple matter of
>reading the various catalogs to ID with a reasonable certainty.
A very good resource for IDing toroid cores (and many other useful
functions) is DL5SWB's 'Mini Ring Core Calculator':
<http://www.dl5swb.de/html/mini_ring_core_calculator.htm>
This program has data on toroid cores from all identifiable makers,
including dimensions and color coding which are usually the best
parameters to check first.
However, even that program cannot help with OEM cores from unknown
manufacturers that never appeared in any catalog.
--
73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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