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 ...................................... 5BJ
Heater Voltage ................................ 6 V
Heater Current ................................ 0.8 A
Pentode
Input ......................................... 8.5 pf
Output ........................................ 6.7 pf
Grid to Plate ................................. 0.15 pf
Pentode
Plate Voltage ................................. 450 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 15 W
Grid No. 2 Dissipation ........................ 4 W
Class C Oscillator/Amplifier
Plate Voltage ................................. 450 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -45 V
Grid No. 1 Current ............................ 3 mA
Plate Current ................................. 75 mA
Grid No. 2 Current ............................ 15 mA
Driving Power ................................. 0.4 W
Power Output (approx) ......................... 24 W
Class C Modulated Amplifier (Plate)
Plate Voltage ................................. 400 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage ............................ -45 V
Grid No. 1 Current ............................ 3 mA
Plate Current ................................. 60 mA
Grid No. 2 Current ............................ 12 mA
Driving Power ................................. 0.4 W
Power Output (approx) ......................... 16 W
Push Pull Class AB2 Amplifier
Plate Voltage ................................. 450 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -30 V
Grid No. 1 Current ............................ 3 mA
Plate Current (Zero Signal) ................... 44 mA
Plate Current (Maximum Signal) ................ 150 mA
Grid No. 2 Current (Zero Signal) .............. 10 mA
Grid No. 2 Current (Maximum Signal) ........... 40 mA
Driving Power ................................. 0.9 W
Load Resistance ............................... 6K Ω
Power Output (approx) ......................... 40 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
Thu, 30 Jun 2022 04:33:27 -0700