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

C303

Information - Help 
ID = 44383
       
Country:
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 rare.
Identical to C303 = 503A = UV203

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 6.5 Ampere / Direct
Description

4 prong special base. See datasheet. Known as "Jumbo" 4 pin bayonet. Used on most 50 watt US made transmitting tubes.

 
Dimensions (WHD)
incl. pins / tip
x 203 x 50 mm / x 7.99 x 1.97 inch
Information source - - Manufacturers Literature   1922-1923

jumbo_4_pin_transmitting_base~~4.png C303: Fin Stewart
Fin Stewart


Just Qvigstad
c303data1.png
C303: own collection
Peter den Boer

More ...

Collection of

 
screenshot_20221226_175347_gallery.jpg

C303
 

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