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2SA287

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ID = 53943
       
Country:
Japan
Brand: NEC Corporation, Nippon Electric Co. Ltd. (Nippon Denki); Tokyo
Tube type:  Transistor   RF/IF-Stage 
Identical to 2SA287
Similar Tubes
Other base and data slightly different:
  AF126

Base Wires
Description

Material/Aufbau/Pol.: Germanium diff.-leg. PNP;
Form/Case/Outline: TO-44;
Daten/electr.data: I F: 1 mA; U F: 0.5 V; Isp: __ µA; ß (beta): 70; N: 50 mW; Imax(Ic): 5 mA; Umax(Ucb): -18 V; f g(FT): 25 MHz; tmax j: 75 °C.
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Dimensions (WHD)
incl. pins / tip
6 x 9 x mm / 0.24 x 0.35 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   Towers ITVL

to-44_4k.gif 2SA287
Günther Stabe † 19.8.20

Usage in Models 1= 1962?? ; 1= 1968 ; 1= 1970??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 

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