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B203

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ID = 3869
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
Identical to B203
Similar Tubes
Normally replaceable-slightly different:
  220E ; 230P ; 230XP ; E.2PP ; E2.12 ; KR203 ; YDO2
Other base:
  B203_UX4
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 26

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 33
-- Collector info (Sammler)   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

b203_sock.png B203: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
b203_1.png
B203: own collection
Peter den Boer

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Collection of

 
roehre_b203.jpg

 

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