لامپ روسی ГУ-5А

Specifications ГУ-5А:
Heating voltage – 12.6 V.
Glow current – from 20 A to 27 A.
The steepness of the characteristic at an anode voltage of 3 kV and an anode current of 0.4 A to 0.7 A is from 12 mA/V to 18 mA/V.
Gain – from 60 to 85.
Zero anode current at an anode voltage of 4 kV – from 0.45 A to 0.75 A.
Interelectrode capacitances:
– input – no more than 19 pF;
– output – no more than 0.5 pF;
– through passage – no more than 16 pF.

Output power at a wavelength of 12 m lamp GU-5A – not less than 3.5 kW.
Cathode – tungsten thoriated carbide direct heating.
Decoration – glass-metal.
Working position – vertical, anode down.
Durability – not less than 1000 hours.
Cooling triode ГУ-5А:
– anode – water, not less than 14 l/min;
– cylinder – air, not less than 40 m 3 / h;
– legs – air, not less than 20 m 3 / h.

Maximum operating limits:
– heating voltage – 12.6 V;
– dissipated power by the anode – 3.5 kW;
– operating frequency of the triode GU-5A – 110 MHz;
– temperature of the shell, legs and junctions – +150° С;
– anode voltage at operating frequency up to 30 MHz – 5 kV;
– anode voltage at operating frequency from 30 MHz to 1 MHz – 4 kV.

Dimensions:
– height – no more than 210 mm;
– diameter – no more than 100 mm.

Weight – no more than 1 kg.
Operating conditions:
Ambient temperature – from -10°С to +55°С.
Relative humidity at +25° С – up to 98%.

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