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GM-70 / GM70 / 845 FOTON tube
Manufacturer: Foton factory
GM-70 / GM70 / 845 FOTON tube
GM-70 / GM70 / 845 FOTON tube
GM-70 / GM70 / 845 FOTON tube
$
50.00
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Average delivery time to United States is 19 days.

The GM-70 triode is used as a low-frequency power amplifier in RF equipment. Military equipment. Near 845 Equivalent. Made by FOTON plant (Tashkent, USSR). Tubes were made in 196x.

Key specifications:
Interelectrode capacity:

  • grid-anode 12pF;
  • grid-cathode 8pF;
  • anode-cathode 4pF.

    Rated electrical data:

  • glow voltage 20V;
  • filament current 3A;
  • plate voltage 1.5kV;
  • height 185mm;
  • diameter 68mm;
  • cathode emission current 800mA (plate voltage and grid potential = 180V);
  • long-dissipated anode power 125W;
  • differential transconductance 6mA/V (plate voltage = 600V and plate currents = 160mA, 260mA);
  • gain 6.7 (plate voltages = 1200V, 1000V and plate current = 125mA);
  • dielectric resistance 20 megaohm;
  • reverse grid current 40 microamp;
  • max glow voltage 20V;
  • min glow voltage 19V;
  • max plate voltage 1.5kV;
  • max long-dissipated anode power 125W;
  • max minute-dissipated anode power 150W.

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