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C303

Information - Aide 
ID = 44383
       
Pays:
Etats-Unis
Fabricant: Cunningham Inc., E.T.; Harrison (NJ)
Concepteur: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Type:  Transmitting Triode, air cooled   Power/Output 
  <1925 rare
Identique à C303 = 503A = UV203
Culot Jumbo 4-pin bayonet (1918)
Utilisé par Transmittertube (Radio)
Chauffage Vf 10 Volt / If 6.5 Ampère / Direct
Description

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

 
Dimensions
(l x h x p)
incl.pins/tip		 x 203 x 50 mm / x 7.99 x 1.97 inch
Bibliographie - - 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 † 2025
Plus d'infos ...

Collection de

Robert Gillespie (USA)
 
screenshot_20221226_175347_gallery.jpg

C303
 
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