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101F

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ID = 25389
       
Country:
United States of America (USA)
Brand:
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 101F = CV2553
Similar Tubes
Normally replaceable-slightly different:
  101FA ; 101J
First Source (s)
1927 : Saga of the Vacuum Tube, Tyne
Predecessor Tubes 101D  
Successor Tubes 440A_WE  
Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Battery =
Description

"half-ampere L tube", used in the newly developed telephone repeaters. The 101D which had the 4 volt / .5 amp filament was redesigned around the filament: anode completely enclosed, grid as a continuously wound flattened spiral, and greatly reduced spacing between the elements.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 58 x 107 x mm / 2.28 x 4.21 x inch
Weight 51 g / 1.80 oz
Tube prices 7 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   p.283 ff.
101f_sockel.png 101F: nach Western Electric 1939
Robert Schmalstieg
More ...
Just Qvigstad 		we07kopie.png
101F: KoBi
Konrad Birkner † 12.08.2014
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Collection of

Karlheinz Fischer (D)
Robert Gillespie (USA)
Rudolf Osterkamp (D)
 
101f.jpg

101F
 

Variants

Filament Voltage = 4.0 to 4.2 V, NOT 5.0 V
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