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GU5

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ID = 7055
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to GU5
First Source (s)
Sep.1936 : Wireless World (The), London (WW, 79) p273

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact with a cap.
Filament Vf 4 Volts / If 3 Ampere / Direct
Description

Va<1500V rms Ia<250mA mean with delayed switching. Price 1.9EUR in 1938

 
Information source The Saga of Marconi Osram Valve   p. 175
- - Manufacturers Literature   
History of GEC and the Marconi Osram Valve
Taschenbuch zum Röhren-Codex 1948/49

gu5.png
GU5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †


Just Qvigstad
gu5.png
GU5: data sheet
Joachim Glüder

 

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