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452

Information - Help 
ID = 949
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 452 = W2
Similar Tubes
Normally replaceable-slightly different:
  1005_Grammont ; 105_Visseaux ; 2005_Regulator ; R105 ; Res3 ; W13 ; W20_Ballast ; W452 ; WE55_Rectron ; Wi33
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets
Base Europe 3-Pin B3 (Eu H) (Codex=E)
Filament If 1.15 Ampere / Specified current AC/DC ~ = (Series working)
Description

Dual filaments. 2 x 0.65A. For use in rectifier units for charging 1 to 3 x 2V cells.

 
Text in other languages (may differ)
Tube prices 3 Tube prices (visible for members only)
Information source Röhren-Taschenbuch (frühe Ausgaben, spätere siehe andere Einträge)   
Taschenbuch zum Röhren-Codex 1948/49   
philips_450_akku_lader_sch.png
452: Philips Akku Lader 450
Adrian Riesen
452_sockel.png 452: Valvo-Elektronen-Röhren-Handbuch
Alexander Küffer

Just Qvigstad 		452_kennlinien.png
452: Valvo-Elektronen-Röhren-Handbuch
Alexander Küffer
More ...
Usage in Models 1= 1926?? ; 2= 1926? ; 2= 1926 ; 1= 1927?? ; 1= 1927? ; 6= 1927 ; 2= 1928? ; 4= 1928 ; 2= 1929?? ; 2= 1929 ; 1= 1931?? ; 1= 1931? ; 1= 1934?? ; 1= 1963?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):27

Collection of

Fin Stewart (AUS)
Christian Schaufelberger (CH)
Pedro Prieto-Castro (E)
Fabio Masetti (I)
Georges Werts (B)
Collection of a member from FIN
Tomasz Szczesniak (PL)
Oskar Elm (D)
Hartmut Völler (D)
Klaus-Dieter Dietzel (D)
Klaus Rüdiger (D)
Peter Pfeiffer (D)
Karl - Heinz Bossan (D)
Heinz Schmidt (D)
Konrad Birkner † 12.08.2014 (D)
 
452_a~~1.jpg

452
 
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