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303x

Information - Help 
ID = 51092
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 303x
Similar Tubes
Normally replaceable-slightly different:
  A303 ; UX120

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =
Description Filament 2.7-3.3, 0.06Amp, Anode Volts 50-150, Amplification 3.3, slope 0.6 mA/V, internal resistance 5500 Ohm. 
 
303xux.jpg
303x
Peter den Boer

 
ux4.png
303x
Peter den Boer

 

from Just Qvigstad


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