radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

4631

Information - Help 
ID = 13617
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to 4631 = CV1311 = CV1664 = 4020A = R87
Similar Tubes
Other shape (e.g. bulb type):
  3A/108A
Heater and shape different:
  4607

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=Bo)
Was used by Telephony
Filament Vf 2 Volts / If 0.25 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
52 x 115 x mm / 2.05 x 4.53 x inch
Information source Babani, International Radio Tube Encyclopaedia   p. 40 & 41
- - Manufacturers Literature   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

4631_so.png 4631: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
4631_dat.png
4631: Röhrenhandbuch Franzis Verlag
Heinz Höger

More ...

Collection of

 
4631.jpg

 

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]
  

Data Compliance More Information