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SE4021

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ID = 54229
       
Country:
United States of America (USA)
Brand: Fairchild Semiconductor Inc., South Portland/Maine
Tube type:  Transistor   Universal 
Identical to SE4021
Similar Tubes
Normally replaceable-slightly different:
  AX1166 ; AX1478 ; BC182 ; BC237 ; S38803

Base Wires
Filament Solid State
Description NPN silicon planar transistor for universal purpose.
 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   TTT Steidle 1981
  se4021.png
  SE4021: Funkschau 24/73 S.920
Egon Strampe
 
to-106_4.gif
SE4021
Günther Stabe † 19.8.20

 

Usage in Models 2= 1973

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

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