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2N172 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Transistor   Frequency converter 
Tube ID = 37072
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Identical to 2N172
First Source (s) Mar.1956 : -- Collector info (Sammler)

Base Wires
Was used by Radio/TV-reception etc.
Filament
Description Material/Aufbau/Pol.: Germanium Flächen NPN;
Form/Case: TO-22;
Daten/electr.data: I F: 1 mA; U F: _ V; Isp: 3 µA; ß (beta): 20; N: 65 mW; Imax(Ic): 5 mA; Umax(Uce): 16 V; f g(FT): >1 MHz; tmax: __ °C. 
Text in other languages (may differ)
Dimensions (WHD) 11 x 11 x 5 mm / 0.43 x 0.43 x 0.20 inch
Weight 1 g / 0.04 oz
Literature -- Collector info (Sammler)   KTT 1969/70, TTT Steidle 1981

to_22_49.gif
TTT Steidle 1981
Günther Stabe

 
Usage in Models   1= 1956 ;
Number of Models with this tube   1
No further Information for

2N172    

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