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ID = 34146
Brand: Intermetall Halbleiterwerk, Düsseldorf
Tube type:  Transistor   RF/IF-Stage 
Identical to OC390
Similar Tubes
Other shape (e.g. bulb type):
  OC169 ; OC45
Normally replaceable-slightly different:
  GFT45 ; OC871 ; OX4001 ; OX4003 ; TF45
First Source (s)
Mar.1957 : -- Collector info (Sammler)

Base Wires
Filament Solid State

PNP germanium junction transistor for AM broadcast IF amplifier applications.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, TVT 1979 ECA
  OC390: TEFI KC1/Ko-Ba
Günther Stabe
Joachim Röhling

OC390: TVT 73
Günther Stabe


Usage in Models 6= 1958 ; 5= 1959 ; 1= 1960?? ; 1= 1960? ; 1= 1960 ; 4= 1961

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):18

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