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923

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ID = 11982
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Photocell Gas filled 
Identical to 923 = VT-252 = GL923
Similar Tubes
Other shape (e.g. bulb type):
  918

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament
Description

Gas phototube for sound track on film. Side-on type having S-1 response. Electrically similar to type 930, but has a direct interelectrode capacitance of 2 picofarads. 135 microamps/lumen. Second source stated this type used primarily for "renewal purposes."

 
Dimensions (WHD)
incl. pins / tip
30 x 90 x mm / 1.18 x 3.54 x inch
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   RCA Phototubes and Photocells PT-60

rca_phototube_fig1~~3.png
923: RCA Phototubes 1941
David Erali
    More ...
923.png 923: Datenblatt
Wolfgang Bauer


Just Qvigstad
922_courbe_1.png
923: RCA
Patrice Zeissloff

More ...

Collection of

 
923ge.jpg

923
 

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