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ID = 53837
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Beam Power Tube   Power/Output 
Identical to 25П1С = 25L6G

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)

25П1C (Russian designation)
Va = 110V Ia = 45mA
Vg2 = 110V Ig2 = 4mA
Vg1 = -7.5V
S mA/V = 8.5 Ri = 10000
Po = 2.2W P = 10W

Text in other languages (may differ)
Information source -- Collector info (Sammler)   Radio N°1 1946 (UdSSR)
Röhren-Vademecum; P.H. Brans; Antwerpen

25p1sbrochage.png 25П1С
Jean Marchal

Just Qvigstad

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