6K4P / EF93 / 6BA6 High Frequency Pentode Tube USSR 2pcs                            

Electrical Rating:
  • Filament voltage 6.3 ± 0.6 V
  • Filament current 300 ± 25 mA
  • Nominal anode voltage (constant) 250 V
  • Anode voltage limit (constant) 300 V
  • Anode current 10 ± 3.3 mA
  • Cathode current limit 20 mA
  • The reverse current of the first grid is not more than 0.5 μA
  • Grid voltage second rated (constant) 100 V
  • Grid voltage second limit (constant) 125 V
  • Second grid current 3.7 ± 1.3 mA
  • Power dissipated by the anode, limiting 3 W
  • The power dissipated by the second grid, the limit is 0.6 W
  • The voltage between the cathode and the heater limit (constant) 90 V
  • Slope 4.4 ± 0.9 mA / V
  • Internal resistance not less than 0.45 MΩ
  • Input impedance at 60 MHz 19 kΩ
  • Resistance in cathode circuit for automatic bias 68 Ohm
  • Resistance in the grid circuit of the first limiting 0.5 MΩ
  • Input capacitance 6.4 pF
  • Output capacitance 6.7 pF
  • Passage capacity no more than 0.0045 pF
  • Glass miniature decoration

SHIPPING

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