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AF257

Information - Help 
ID = 48097
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   VHF 
Identical to AF257
Similar Tubes
Other base and data slightly different:
  AF306

Base Wires
Filament Solid State
Description PNP germanium mesa high-frequency transistor.

Text in other languages (may differ)
Weight 1 g / 0.04 oz
Information source - - -   
- - -   Towers IVT
- - -
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af257_s.gif
AF257: TVT 1979/80 ECA
Günther Stabe

 

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