Technical characteristics and electrical parameters of the 6P14P-K lamp:Filament voltage 6.3 ± 0.6 VFilament current 760 ± 60 mANominal anode voltage (constant) 250 VAnode voltage limit 300 VAnode current 48 ± 8 mACathode current limit 65 mAGrid voltage second rated (constant) 250 VGrid voltage second limit (constant) 300 VThe second grid current is not more than 7 mAPower dissipated by the anode, limiting 14 WThe power dissipated by the second grid, limiting 2 WLimit voltage between cathode and heater (constant) 100 VSlope 11.3 mA / VThe gain in a triode connection is about 20Internal resistance 30 kOhmResistance in the cathode circuit for automatic bias 120 OhmInput capacitance about 11 pFOutput capacitance about 7 pFPass-through capacitance about 0.2 pFGlass miniature decoration