-40%
2pcs GM-70 / RCA845 FOTON HI-END TRIODE TUBE GRAFITE NOS SAME DATE 02/1964 RARE
2pcs GM-70 / RCA845 FOTON HI-END TRIODE TUBE GRAFITE NOS SAME DATE 02/1964 RARE

2pcs GM-70 / RCA845 FOTON HI-END TRIODE TUBE GRAFITE NOS SAME DATE 02/1964 RARE

$ 104.54

Availability: 100 in stock
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Condition: NEW FROM STORAGE, FROM GROUP PACKAGING, SAME DATE 02/1964
  • All returns accepted: Returns Accepted
  • Item must be returned within: 60 Days
  • Model: GM-70
  • Brand: Foton
  • MPN: Does Not Apply
  • Return shipping will be paid by: Buyer
  • Type: NOS Tube
  • Country/Region of Manufacture: Russian Federation

    Description

    GM-70 / RCA845 TRIODE TUBE GRAPHITE PLATE FOTON USSR NOS
    lot 2pcs.
    SAME DATE 02.1964
    VERY RARE
    The GM-70 triode is used as a low-frequency power amplifier in RF equipment.
    Military equipment.
    Near 845 Equivalent
    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.
    Robust packaging, protection against shock and
    vibration
    EMS
    RUSSIAN POST
    Express delivery
    PRIORITY
    * MAIL *
    Worldwide shipment: FREE
    A
    ir delivery
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