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ID = 54404
United States of America (USA)
Brand: Fairchild Semiconductor Inc., South Portland/Maine
Tube type:  Transistor   Universal 
Identical to SE4020
Similar Tubes
Normally replaceable-slightly different:
  AX1106 ; AX1176 ; AX1221 ; AX1222 ; AX1255 ; AX1408 ; AX1411 ; AX1420 ; AX1439 ; AX1452 ; AX1461 ; BC174 ; BC182

Base Wires

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

to-106_6.gif SE4020
Günther Stabe † 19.8.20

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Usage in Models 3= 1972

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

Collection of



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