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UV216A

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ID = 28846
       
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 UV216A
Similar Tubes
Normally replaceable-slightly different:
  216_Rect-one-way
First year Sep.1925 Saga of the Vacuumtube, Tyne page 323
Predecessor Tubes UV216  
Successor Tubes 1925   UV216B  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Parallel, (AC/DC)
Description Work started on this tube at the GE laboratories in the fal of 1924. The tube had a thoriated tungsten filament. It soon became evident that the tube type number was similar to the Western Electric type 216A and GE changed the number to UV216B. As it was a rectifier, GE gave it the brand name "Kenotron" 
Dimensions (WHD)
incl. pins / tip
x 132 x 54 mm / x 5.20 x 2.13 inch
Weight 69 g / 2.43 oz
Literature Saga of the Vacuumtube, Tyne   p.323
 
2aa_uv4_half_rect~~1.png
UV216A: own collection
Peter den Boer

 

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