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B203

Information - Help 
ID = 3869
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
Identical to B203
Similar Tubes
Normally replaceable-slightly different:
  220E
Other base:
  B203_UX4
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 2 Volts / If 0.15 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
roehre_b203.jpg
B203
Siegmar Mey

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

 
b203_1.png
B203: own collection
Peter den Boer


Usage in Models 1= 1927

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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