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304

Information - Help 
ID = 18035
       
Country:
Germany
Brand:
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 304 = CV1202

Base Edison big E27 = 27 mm (Codex=Edison 10 mm)
Filament If 0.3 Ampere / Series, AC/DC
Description

300mA stabilised current at 95 to 165V.

 
Text in other languages (may differ)
Literature Taschenbuch zum Röhren-Codex 1948/49   
Ballast Tube Handbook, The   
- - Manufacturers Literature
 
e_osram_304.jpg
304: PROPIA
Pedro Prieto-Castro

 
barretters~~5.png
304: own collection
Peter den Boer


Usage in Models 1= 1935 ; 1= 1936? ; 2= 1936 ; 2= 1937 ; 1= 1940 ; 1= 1941?? ; 1= 1947? ; 1= 1948 ; 1= 1949? ; 1= 1950

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):12


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