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

4630

Information - Help 
ID = 13616
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to 4630 = SY4021A = 4021A
Similar Tubes
Other shape (e.g. bulb type):
  3A/109A
Normally replaceable-slightly different:
  VT102_GPO

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=Bo)
Was used by Telephony
Filament Vf 4.2 Volts / If 0.25 Ampere / Direct / Specified voltage AND current AC/DC
Dimensions (WHD)
incl. pins / tip
106 x 52 x mm / 4.17 x 2.05 x inch
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

4630_so.png 4630: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
4630_data.png
4630: Philips databook
Anonymous 413 Collector

More ...

Collection of

Collection of a member from FIN
 
4630_philips.jpg

4630
 

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]
  
rmXorg