لامپ روسی ГУ-21Б

برای قیمت تماس بگیرید

Main technical parameters of ГУ-21Б
at Un=8.3 V, Ua=5 kV, Ia=2 A

  • Filament current …………..150 ±10 A
  • Anode current (at Uа=5 kV, Uс=0) …………….1.7 ±0.6 A
  • Ionic anode current (at Ua= -0.5 kV) …………no more than 50 µA
  • Grid reverse current (at Uc= 300 V, Ua=0) ………….no more than 300 µA
  • Cathode emission current at a pulsed voltage of 1 kV ………..not less than 30 A
  • Slope ………..30 ± 5 mA/V
  • Gain ……….48±7
  • Vibrational power…………not less than 15 kW
  • Interelectrode capacitances, pF:
    – input ……..no more than 55

– day off……….no more than 45

– checkpoint………….no more than 1.5

Limiting operational characteristics of ГУ-21Б :

  • Heating voltage………..7.8 – 8.3V
  • Anode voltage……….9 kV
  • Starting glow current………225 A
  • Power dissipated by the anode ………..10 kW
  • Power dissipated by the grid ………600 W
  • Operating frequency ………26 MHz
  • The temperature of the cylinder glass, legs and metal-to-glass junctions……….150 C
  • Ambient operating temperature range …………from -50 to +60 С
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