4x 6P31S /EL36, 6CM5/ The output beam tetrode. One date USSR

Description

1LOT - 4PCS
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6P31S
The output beam tetrode.
Designed for operation in output stages
Specifications and electric parameters lamp 6P31S
Filament voltage 6.3 V
The filament current of 1.3 ± 0.15 A
Anode voltage nominal (constant) 100 V
The anode voltage limit (constant) 300 To
Anode current 80 ± 30 mA
Cathode current limit (average) 0.2 A
Cathode current limit (pulse amplitude) 0.6 A
Voltage grid of the first (permanent) -9 In
Voltage grid of the first limit -150 To
The return current of the first grid is not more than 2 µa
The second grid voltage nominal (constant) 100 To
The voltage of the grid of the second limit (DC) 250 V
Grid current second not more than 8.5 mA
The power dissipated by the anode limit of 10 watts
Power dissipated by the first grid, the limit of 0.2 W
Power dissipated by the second grid, the limit of 4 W
The voltage between cathode and heater limit (DC) 200 V
The steepness of the characteristic is 12.5 ± 4 mA/V
Internal resistance of about 4 kω
The horizontal frequency of 12 kHz, the smallest
Input capacitance 18 ± 3 pF
The output capacity of 8.5 ± 1.5 pF
The feed-through capacity is not more than 1.3 pF