6P36S
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GMI-6
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GK-71
39,00 $
Russian tube GK-71 generator pentode. High power of 125 watts at a maximum frequency of 20MHz.
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27 in stock
Description
The GK-71 tube is a generator pentode designed to amplify power and generate high-frequency oscillations at frequencies up to 20MHz. It is applied to work of radio engineering devices of general purpose. Working position – vertical. Cathode tungsten thoriated carbide direct heating.
Technical specifications (at Un=20V, Ua=1500V, Uc2=400V, Uc3=50V, Ia=250mA):
- Filament current: 3 Β± 0.3A
- Reverse current of the 1st grid (at Ia=83mA): no more than 30ΞΌA
- Anode current (at Uc=350V and Uc1=50V): not less than 35mA
- Emission current (at U=180V): no more than 900mA
- Slope (at UΠ°= 600V, IΠ°=150 and 200mA): 4.2 Β± 0.7mA/V
- Gain coefficient for the 1st grid relative to the 2nd (at Ua=750V, Uc2=300V, Ia=130mA): 5 Β± 1
- Oscillatory power (with negative voltage of the 1st grid 100V, excitation voltage 215V): not less than 250W
- Oscillatory power (at Un=18V, negative voltage of the 1st grid 100V, excitation voltage 215V,
- Ia=250mA and frequency 20MHz): not less than 200W
- Insulation resistance between electrodes, not less than: 20MOhm
Limiting performance:
- Filament voltage: 20 Β± 2V
- Anode voltage: 1500V
- 2nd Grid Voltage: 400V
- Anode power dissipation: 125W
- Power dissipated by the 2nd grid: 25W
- Operating frequency: 20MHz
Service life not less than 1000 hours.
Additional information
| Weight | 0,34 kg |
|---|---|
| Dimensions | 19,5 × 6,8 × 6,8 cm |
| Brand | ULYANOVSK |
| Packaging | Product from factory group packaging |
| Socket type | Original |
| Condition | New product |
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About brand
"ULYANOVSK" Ulyanovsk city
MADE IN RUSSIA
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