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GU-10B

TRIODE

GENERAL

Cathode: directly heated, carbonized thoriated tungsten.
Envelope: glass-to-metal.
Cooling: forced air.
Height: at most 330 mm.
Diameter: at most 128 mm.
Mass: at most 6 kg.

gu-10b(1)1.jpg

OPERATING ENVIRONMENTAL CONDITIONS
Ambient temperature, °C -10 to +55
Relative humidity at up to +25°C, % 98

BASIC DATA
Electrical Parameters
Filament voltage, V 7
Filament current, A 70-80
Mutual conductance (at anode voltage 2 kV, anode currents 2.5 and 3.5 A), mA/V 15-25
Gain coefficient (at anode voltages 2 and 3 kV and anode current 2.5 A) 45-55
Anode current at zero grid voltage (at anode voltage 5 kV), A 0.6-1.2
Interelectrode capacitance, pF:
input, at most 40
output, at most 1.6
transfer, at most 34

Limit Operating Conditions
Filament voltage, V 7-7.3
Anode voltage (DC), kV 8
Filament starting current, A 115
Anode modulation factor 1
Dissipation, W:
anode 1.0x104
grid 300
Operating frequency, MHz 26
Temperature at envelope, and seals, °C 150