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Tube parameters 6P43P-E:
(nominal mode)
Heating voltage..........6.3V
Anode voltage.............185V
Voltage of the second grid..............185V
Filament current..............625±55mA
Anode current...............45±9mA
Anode current at the beginning of the curve 1) <0.3mA
Anode current pulse 2)...........165mA (210mA)
Anode current pulse at underheating 3) 145mA
Second grid current 2.7..4.5mA
2nd grid current pulse 2) >35mA
(0.25*Ia.imp.)
Reverse current of the first grid <1uA
Slope 7.5±1.5mA/V
Grid 1 current cutoff voltage (negative) <1.3V
Cathode resistance for automatic bias 340Ω
Leakage current cathode-heater <25uA
Insulation resistance cathode-heater >5MΩ
Input capacity.........1.3pF
Output capacity 9pF
through capacity <0.7pF
Capacitance first grid - heater <0.4pF
Life time...............5000h
Weight.............20g