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 ......................... 1AU3 1J3 1N2
Substitutes ................................... 1B3 1G3
Bulb .......................................... T-12
Base Type ..................................... Short Medium Shell Octal 7-Pin
EIA Outline ................................... 12-18
EIA Base ...................................... 3C
Top Cap ....................................... C1-34
Cathode ....................................... Coated Filament
Mounting Position ............................. Any
Heater Voltage ................................ 1.25 V
Heater Current ................................ 0.2 A
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
Wed, 08 Feb 2023 22:25:44 -0700