Technical characteristics of the su-80:
Filament voltage-12.6 V.
The filament current of 10.5 A.
Anode voltage - 3 kV.
The voltage of the second grid-0.6 kV.
The anode current in the pulse-200 mA.
The current of the first grid is reverse at a voltage of 13.6 V-no more than 50 µa.
The steepness of the characteristics when the voltage of the first grid at 10 V-5.5±1 mA / V.
The permeability of the first grid relative to the second grid of the pentode GU-80-31,5±4,5%.
Oscillatory power - not less than 75 watts.
Interelectrode capacitance:
- grid-cathode-23.5±1.5 pF;
- anode-cathode-22.5±2.5 pF;
- grid-anode - not more than 0.11 pF;
- the first grid - the third grid-from 3.5 pF to 5.5 pF.
The design of the lamp GU-80-glass with a base.
Working position-vertical.
Cooling is natural.
Ambient temperature - from -60° C to + 70° C.
Cathode - thoriated tungsten filament direct kabidenovna.
Plinth GU-80-spiral, 6 pins.
Durability - not less than 1000 hours.
Limit performance data GU-80:
- filament voltage-from 11.8 V to 13.4 V;
- anode voltage at 6 MHz - 3 kV;
- voltage at 24 MHz-2.5 kV;
- voltage at the frequency of 50 MHz GU-80 - 1.5 kV;
- voltage of the second grid-0.6 kV;
- second grid peak voltage-1.2 kV;
- power, long-term dissipated anode-450 W;
- power dissipated by the anode for 3 min-600 W;
- power dissipated by the second grid-120 W;
- power dissipated by the first grid-10 W;
- cylinder temperature - + 350° C.
Military equipment.
Condition: new tube.
Date: VI.1967.
Made in USSR.
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Delivery time to Europe makes 8-10 days,
USA and South America 12-15 days,
Japan and Asia countrys 8-10 days.
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