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925

Information - Help 
ID = 11984
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Photocell High vakuum 
Identical to 925

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Technology / Measurement
Filament
Description

Side-on, short-bulb type having S-1 response. Wavelength of maximum spectral response of 8000 +/- 1000 angstroms. Makes use of a semi-cylindrical photocathode, and has a direct interelectrode capacitance of 1.6 picofarads. Typical DC or peak AC Anode supply voltage of 250 volts. T9 bulb.

 
Dimensions (WHD)
incl. pins / tip
32 x 30 x mm / 1.26 x 1.18 x inch
Weight 23 g / 0.81 oz
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   RCA Phototubes and Photocells PT-60

rca_phototube_fig3~~2.png
925: RCA Phototubes 1941
David Erali

925_sock.png 925: elektron taschenbuch 1952
Heinz Höger


Just Qvigstad
925_courbe.png
925: RCA
Patrice Zeissloff

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Collection of

 
925_1.jpg

925
 

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