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G-811

TRIODE

The G-811 triode is used as an oscillator in RF equipment.

GENERAL
Cathode: directly heated, tungsten.
Envelope: glass, with base.
Height: at most 167 mm.
Diameter: at most 62 mm.
Mass: at most 100g.

g-8111.jpg
OPERATING ENVIRONMENTAL CONDITIONS
Ambient temperature, °C -60 to +70
Relative humidity at up to +25 °C, % 98

BASIC DATA 
Electrical Parameters
Filament voltage, V 6.3
Filament current, A 3.75-4.25
Gain coefficient (at grid voltages 0 and -2 V and anode 
current 20 mA)
144-176
Anode current (at anode voltage 2 kV and grid 
voltage -2 V), mA
16-36
Interelectrode capacitance, pF:
input 4.5-6.5
output 0.4-0.8
transfer 4.8-6.2
Output power (at anode voltage 1.5 kV and anode current 150 mA), W, at least:
at frequencies up to 15 MHz 135
at frequency 60 MHz 125

Limit Operating Values
Filament voltage, V 6-6.6
Anode voltage, kV 1.25
Grid voltage, V 0
Anode current, mA 125
Grid current (DC component), mA 50
Anode dissipation, W 40