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PT2222

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ID = 80407
       
Country:
Taiwan (Republic of China)
Brand: Common type Taiwan tube/semicond.
Tube type:  IC - Integrated Circuit 
Identical to PT2222
Similar Tubes
Other base and data slightly different:
  PT2221

Base Wires
Description


 
Text in other languages (may differ)
Weight 1 g / 0.04 oz
Information source -- Original-techn. papers.   PTC

pt2222_umgeb1.png
PT2222: PTC
Günther Stabe † 19.8.20

pt2222_s.png PT2222: PTC
Günther Stabe † 19.8.20

Usage in Models 1= 2008?? ; 1= 2011

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
pt2222~~1.jpg

PT2222
 

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