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ST12_NEC

Country:  Japan      Brand:  NEC, Nippon Electric Co. Ltd.; Tokyo 
  Tube type:  Transistor   Power/Output 
Tube ID = 37895
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Identical to ST12_NEC
First Source (s) Mar.1956 : -- Collector info (Sammler)
Successor Tubes ST122  

Base Wires
Was used by Radio/TV-reception etc.
Filament
Description Material/Aufbau/Pol.: Germanium _____ PNP (?);
Form/Case: ~ TO-22;
Daten/electr.data: I F: __ mA; U F: __ V; Isp: __ µA; ß (beta): __; N: __ mW; Imax(Ic): __ mA; Umax(Uce): -__ V; f g(FT): __ MHz; tmax: __ °C.
NF-Endstufen kleiner Leistung (no data available yet; very early NEC transistor, marked with "ST-12"! In pocket radios not soldered, but socketed. 
Text in other languages (may differ)
Dimensions (WHD) 9 x 8 x 4 mm / 0.35 x 0.31 x 0.16 inch
Weight 1 g / 0.04 oz
Literature - - -   
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st12_nec.jpg
NEC NT-6A/NT-7H
Günther Stabe

 
to_22_72.gif
TTT Steidle 1981
Günther Stabe

 
Usage in Models (calculation each 25th of the month)   1= 1957 ; 2= 1970 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   3
No further Information for

ST12_NEC    

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