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Substitutes ................................... 1B7 1C7 1D7
Source ........................................ ARRL HB - 1947
Source ........................................ ARRL HB - 1947
Glass octal type used in superhetrodyne circuits having battery power supplies. Requires octal socket and may be mounted in any position.
Source ........................................ ARRL HB - 1947
Bulb .......................................... T-9
Base Type ..................................... Octal
EIA Outline ................................... 9-28
EIA Base ...................................... 7Z
Source ........................................ ARRL HB - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A
Source ........................................ ARRL HB - 1947
For other characteristics and typical operation, see 1A7GT
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 01:29:22 -0700