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Substitutes ................................... 38HK7
Source ........................................ RCA RC-29 - 1975
Duodecar type used in tv receiver applications. The diode is used for damper service and the beam power unit for horizontal-deflection amplifier service. Requires duodecar 12-contact socket.
EIA Base ...................................... 12FS
Heater Voltage ................................ 37.8 V
Heater Current ................................ 0.45 A
Class A Amplifier
Plate Voltage ................................. 130 V
Grid No. 2 Voltage ............................ 130 V
Grid No. 1 Voltage ............................ -22 V
Plate Resistance (approx) ..................... 6.2K Ω
Transconductance .............................. 8800 µ
Plate Current ................................. 60 mA
Grid No. 2 Current ............................ 2.8 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, 16 Aug 2022 00:39:46 -0700