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OC612

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ID = 33773
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   RF/IF-Stage 
Identical to OC612
Similar Tubes
Other shape (e.g. bulb type):
  2SA12 ; 2SA53 ; AF117 ; AF127 ; AF137 ; AF138 ; GFT45 ; OC169 ; TF45
Normally replaceable-slightly different:
  CK759 ; OC1612 ; OC45 ; OC871 ; OX4001 ; OX4003 ; SFT107
First Source (s)
Mar.1956 : Telefunken-Zeitung
Successor Tubes AF138  

Base Wires
Filament Solid State
Description PNP germanium junction transistor for AM IF amplifier applications. Allglass, red dot indicates collector. 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 15 x mm / 0.20 x 0.59 x inch
Weight 2 g / 0.07 oz
Literature -- Collector info (Sammler)   KTT 1969/70, Towers ITVL
  d_telefunken_partner_zf_sch.png
  OC612: Mende, Leitfaden der Transistortechnik
Thomas Günzel
 
oc612_tfk.jpg
OC612: Sammlung
Wilfried Hofmüller

 
allglas_trans_28.gif
OC612: TVT 73
Günther Stabe

 
d_telefunken_oc612_1.png
OC612: Telefunken Transistoren 1961
Thomas Günzel


Usage in Models 2= 1957 ; 7= 1958 ; 1= 1959?? ; 3= 1959? ; 19= 1959 ; 5= 1960?? ; 3= 1960? ; 3= 1960 ; 1= 1961 ; 1= 1963 ; 1= 1965?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):46



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