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The GU-100A triode is used as an oscillator
in stationary industrial RF heating generator circuits and as a power amplifier in stationary industrial transmitters.


Cathode: directly heated.
Envelope: metal-ceramic.
Cooling: forced water for anode, forced air for other elements of envelope.
Working position: upright with anode down.
Height: at most 250 mm.
Diameter: at most 102 mm.
Mass: at most 3 kg.

Sinusoidal vibration:
frequencies, Hz 1-35
acceleration, m/s² 5
Mechanical multiple impacts with a peak acceleration, of, m/s² 150
High ambient temperature, °C:
operating 55
limiting 60
Low ambient temperature, °C:
operating 1
limiting 60
Relative humidity without moisture condensation at up to + 25 °C, % 98

Electrical Parameters
Filament voltage, V 5
Filament current, A 62-82
Peak anode current (at filament voltage 5 V, anode voltage 0.5 kV, grid voltage 500 V, bias voltage 400 V), A, at least 6
Negative cutoff voltage, absolute value (at filament voltage 5 V, anode voltage 6 kV, anode current 0.1 A), V, at most 350
Gain coefficient (at filament voltage 5 V, anode voltages 0.5 kV and 2 kV, anode current 3A) 1 5-28
Output power in self-excitation mode, kW:
at frequencies up to 10 MHz (at filament voltage 5 V, anode voltage 8 kV, grid bias voltage 350 V, anode current 1.6 A, grid current 0.4 A) 10
at 10-150 MHz (at filament voltage 5 V, anode voltage 6 kV, bias voltage 350 V, anode current 1.35 A, grid current 0.32 A) 6.3
Interelectrode capacitance in a grounded-cathode circuit, pF:
input, at most 50
output, at most 1.2
transfer, at most 30

Limit Operating Values
Filament voltage, V 5.3
Anode voltage (DC), kV:
at frequencies up to 10 MHz 8
at frequencies 10-150 MHz 6
Negative bias voltage, absolute value, V 550
Filament current (peak value), A 160
Grid current (DC component), A:
at 10MHz 0.5
at 10-150 MHz 0.45
Dissipation, W:
anode 6x10³
grid 400
Operating frequency, MHz 150
Envelope temperature at the hottest point, °C 175

Averaged Anode-Grid Characteristic Curves:
Uf = 50 V;
_____ anode-grid;
- - - grid