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I253

Information - Help 
ID = 30340
       
Country:
Netherlands
Brand: Thermion; Netherlands
Developer: Thermion; Netherlands 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to I253
Similar Tubes
Normally replaceable-slightly different:
  E424
Production stop Feb.1938

Base Europe 5-Pin (O5A, B5)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
44 x 113 x 32 mm / 1.73 x 4.45 x 1.26 inch
Weight 45 g / 1.59 oz
Tube prices 1 Tube prices (visible for members only)
Literature Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 100
- - Manufacturers Literature   1931
 
i253.jpg
I253
Peter den Boer

 
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I253
Peter den Boer

 
i253data.png
I253: own collection
Peter den Boer



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