Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 8948
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  CRT (cathode ray tube, picture tube)   Indication 
Identical to 5FP7 = CV718
Similar Tubes
Normally replaceable-slightly different:
  5FP7A ; CV1789 ; OSW2109
First Source (s)
01.Aug.1942 : Electron Tube Registration List
Predecessor Tubes 5FP  
Successor Tubes 5FP7A  

Base Octal (Int.Octal, IO) K8A, USA 1935 Sidecontact.
Was used by Radar
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect

5" screen, magnetic focus and deflection. 8KV. Long persistence phosphor.
Also available A and B suffixes, the latter uprated to 12KV.

Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
  5FP7: Funk-Technik 20/1973
Egon Strampe
5FP7: g.h.
Gerhard Heigl

More ...
5FP7: RTT Schwandt
Günther Stabe † 19.8.20

5FP7: Manufacturer's Literature
Peter Gruschka

More ...

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]