Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 27517
Tube type:  Photocell   Detector 
Identical to 1P39 = IP39 = CE29
Similar Tubes
Normally replaceable-slightly different:
  929 ; GL929

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

Blue-sensitive (S4, up to 4000 Angstroms). Special design with a non-hygroscopic base for operation under conditions of high humidity.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
33 x 64 x mm / 1.30 x 2.52 x inch
1P39: My tubes
Anonymous 413 Collector

1P39: elektron taschenbuch 1952
Heinz Höger

1P39: Manufacturer's Literature
Emilio Ciardiello

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]