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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.

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

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