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Glass type used as detctor or amplifier in battery-operated receivers. Requires four-contact socket.
EIA Base ...................................... 4D
Filament Voltage .............................. 3.3 V
Filament Current .............................. 0.083 A
Class A Amplifier
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ -4.5 V
Plate Current ................................. 2.5 mA
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
Thu, 02 Feb 2023 04:17:13 -0700