SPECIFICATION
Filament Heating
UH……………………………6.3 V
IH……………………………1.5 A
Maximum Ratings
Plate voltage……………………… 800 V
Second grid voltage………………… 500 V
First grid voltage………………… -100 V
Plate power dissipation………………… 25 W
Second grid power dissipation…………… 8 W
Cathode current………………………150mA
First grid resistance
For self-biasing…………0.7 M
For fixed-biasing…………0.5 M
Heater voltage between cathodes…………±100 V
Temperature of glass envelope………………250
Capacitance
Input capacitance…………………… 15.2pF
Output capacitance…………………… 8.4pF
Muller capacitance…………………… 1.1pF
First grid heater capacitance……… 1.0pF
Filament capacitance……………. 10pF
DC Parameters
Ua…………………………… 250 V
Ug2……………………………250 V
Ug3…………………………… 0 V
-Ug1…………………………12.2 V
Ia…………………………… 100mA
Gm…………………………… 11mA/V
ri…………………………… 15 k
ug1-g2………………………11
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