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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EIA Base ...................................... T8DB
Heater Voltage ................................ 2.5/1.25 V
Heater Current ................................ 0.1125/0.225 A
Pentode
Input ......................................... 8 pf
Output ........................................ 8 pf
Grid to Plate ................................. 0.1 pf
Pentode
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 100 V
Plate Dissipation ............................. 3 W
Grid No. 2 Dissipation ........................ 0.6 W
Class C Oscillator/Amplifier
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -22.5 V
Grid No. 1 Current ............................ 2 mA
Plate Current ................................. 20 mA
Grid No. 2 Current ............................ 4 mA
Driving Power ................................. 0.1 W
Power Output (approx) ......................... 3 W
Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 180 V
Grid No. 2 Voltage ............................ 100 V
Grid No. 1 Voltage ............................ -35 V
Grid No. 1 Current ............................ 2 mA
Plate Current ................................. 15 mA
Grid No. 2 Current ............................ 3 mA
Driving Power ................................. 0.2 W
Power Output (approx) ......................... 2 W
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
Sun, 05 Feb 2023 20:26:31 -0700