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VT-197A

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ID = 8434
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to VT-197A = 5Y3GT = CV1856

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Filament Vf 5 Volts / If 2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   

s_263_g.gif VT-197A: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

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Just Qvigstad
Usage in Models 1= 1943

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
t831g_01_5y3gt~~1.jpg

VT-197A
 

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