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ST122

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ID = 39251
       
Country:
Japan
Brand: NEC Corporation, Nippon Electric Co. Ltd. (Nippon Denki); Tokyo
Tube type:  Transistor   Power/Output 
Identical to ST122
Similar Tubes
Normally replaceable-slightly different:
  OC72
Predecessor Tubes ST12_NEC  

Base Wires
Was used by Radio/TV-reception etc.
Filament Solid State
Description PNP germanium junction transistor intended as low power amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 8 x 5 mm / 0.35 x 0.31 x 0.20 inch
Weight 1 g / 0.04 oz
Literature -- Schematic   
 
to22_ktt_10.gif
ST122: TTT Steidle 1981
Günther Stabe

 

Usage in Models 2= 1959? ; 1= 1962?? ; 1= 1965?? ; 1= 9999?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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