Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.
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Preferred Substitutes ......................... 1M5
Substitutes ................................... 1D5 1E5
EIA Base ...................................... 5Y
If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.
(c) 1994-2021 by William A. Beech, NJ7P
Mon, 30 Jan 2023 01:18:22 -0700