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EW12

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ID = 3268
       
Country:
Germany
Brand: Osram GmbH KG; Berlin
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to EW12

Base Europe side contact P8A (Au P, 8SC) (Codex=S)
Was used by Radio/TV-reception etc.
Filament If 0.2 Ampere / Specified current AC/DC ~ = (Series working)
Description

Diese Röhre hat 2 Regelbereiche, je nach Beschaltung der Sockelkontakte.
35...105V; 0,2A; Umax: 125V
80...240V; 0,2A; Umax: 240V

 
Dimensions (WHD)
incl. pins / tip
40 x 140 x mm / 1.57 x 5.51 x inch
Information source Taschenbuch zum Röhren-Codex 1948/49   

ew_12.png
EW12: 405 GW
Egon Strampe

195_1.png EW12: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
ew12_spec.png
EW12: Osram, Liste #60, 1937
Anonymous 15 Collector

Usage in Models 1= 1937 ; 4= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
ew12_022r.jpg

EW12
 

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