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PH235

Information - Help 
ID = 51274
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Screen-grid Tetrode 
  Ca. 1925 up to 1945 rare.
Identical to PH235 = 35 = UY235 = MY235 = PU035

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect
Literature - - Manufacturers Literature   1932
 
ph235.jpg
PH235
Giovanni Carenini

 
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PH235: Telefunken Werkstattbuch
Wolfgang Bauer

 
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PH235: own collection
Peter den Boer



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