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EW12

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

Base Europe side contact base P (P8A) (Codex=S)
Filament
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
Literature Röhren-Taschenbuch (frühe Ausgaben, spätere siehe andere Einträge)   
Taschenbuch zum Röhren-Codex 1948/49   
 
ew12_022r.jpg
EW12: Collection JR
Jacob Roschy

 
195_1.png
EW12: Telefunken Werkstattbuch
Wolfgang Bauer

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


Usage in Models 4= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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