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UV217

Information - Help 
ID = 28848
       
Country:
United States of America (USA)
Brand: General Electric for Brand RCA-Radiotron; Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to UV217 = 217_RCA
Similar Tubes
Other characteristic (electr. data):
  UV217A ; UV217B ; UV217C
First year Mar.1927 Saga of the Vacuumtube, Tyne page 323
First Source (s)
1924 : Saga of the Vacuumtube, Tyne p.323
01.Jun.1922 : RCA Catalog June 1, 1922
Successor Tubes 1921   UV217B   UV217C   UV217A  

Base Jumbo 4-pin bayonet
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 6.5 Ampere / Direct / Parallel, (AC/DC)
Description Work started on development of this tube at the GE laboratories in the Spring of 1920 and the type number was assigned to it in June 1921.It was released to the public on October 1921. The base insulation on early tubes was a mica disc 50-Watt size tube, called Kenotron Rectifier.
DC output 150 W at 1000 V DC.
 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
51 x 191 x 51 mm / 2.01 x 7.52 x 2.01 inch
Literature - - Manufacturers Literature   Development of Radiotron transmitting tubes to 193
-- Collector info (Sammler)   
 
uv217.jpg
UV217: KoBi
Konrad Birkner † 12.08.2014

 
uv217_so.png
UV217
Michael Schlör

 
uv217_spec.png
UV217: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector


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