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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Substitutes ................................... HD14
Source ........................................ RCA RC-15 - 1947
Source ........................................ RCA RC-15 - 1947
Glass octal type used as combined detector and amplifier in battery-operated receivers. Requires octal socket.
Source ........................................ RCA RC-15 - 1947
Bulb .......................................... T-9
Base Type ..................................... Small Wafer Octal 7-Pin with Metal Sleeve
EIA Outline ................................... 9-18
EIA Base ...................................... 5Z
Top Cap ....................................... Miniature
Mounting Position ............................. Any
Source ........................................ RCA RC-15 - 1947
Filament Voltage .............................. 1.4 DC V
Filament Current .............................. 0.05 A
Triode
Source ........................................ RCA RC-15 - 1947
Input ......................................... 1.1 pf
Output ........................................ 4.6 pf
Grid to Plate ................................. 1 pf
Triode
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 110 V
Class A Amplifier
Source ........................................ RCA RC-15 - 1947
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 65
Plate Resistance (approx) ..................... 240K Ω
Transconductance .............................. 275 µ
Plate Current ................................. 0.15 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
Tue, 24 May 2022 02:01:09 -0700