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CET Technology # CT-AXF5013. Designed to reflect 600 Ohms on Primary with 365 Ohm load on secondary. 30 x 20 x 14mm. Four pc leads on 10 x 25mm centers.
Spec sheet available in PDF format.
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Average Customer Review:  (1 Review) Write A Review

A customer from North SF Bay Area
Good inductors for old-school audio filters
These will probably find the most use in soundcard-to-ham transceiver interfaces. But I bought them to use as audio inductors in L-C filters. The TCTX-16 measures at about 2.2 Henries with a Q of 15 at 1000Hz with both windings in series. The TCTX-17 is about 2.9 Henries with a Q of 12. The Q is not high, but it is much higher than using power chokes with Q = 2 to 5. Both appear to have gapped cores so they would be useful as tuned plate loads in a c.w. regen receiver. A useful item at a cheap price.