1pcs 1540 / 6P3S-E (5881, 6l6gc) Soviet vacuum tubes | FOTON | Rare 60"s | New nos Tested

1 tubes in one lot

------This name of the lamp was used until a certain time (1540) after which it was renamed to (6P3S-E) - this is the same lamp as 6P3S-E-----

NEW UNUSED - IN GOOD WORKING CONDITION / TESTED

Look at the photo

DESKRINTION:

6P3S-E
Output beam tetrode with increased durability.
Designed to amplify low frequency power.
Durability not less than 2500 hours.
Weight no more than 70 g.
Technical characteristics and electrical parameters of the 6P3S-E lamp:
Filament voltage 6.3 ± 0.6 V
Filament current 900 ± 60 mA
Nominal anode voltage (constant) 250 V
Anode voltage limit (constant) 400 V
Anode current 72 ± 14 mA
Grid voltage first (constant) -14 V
Reverse current of the grid first 3.0 μA
Grid voltage second rated (constant) 250 V
Grid voltage second limit (constant) 300 V
Secondary grid current 8 mA
Power dissipated by the anode, limiting 20.5 W
The power dissipated by the second grid, the limiting 2.75 W
Limit voltage between cathode and heater (constant) 200 V
Slope 6 ± 0.8 mA / V
Output power 5.4 W
Resistance in the grid circuit of the first limiting 0.5 MΩ
Input capacitance 11 ± 2 pF
Output capacitance 8.2 ± 1.5 pF
Capacitance through passage 1 pF
Glass design with octal base.

You buy what you see at the photo

Vintage Radio Tube

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