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OC70

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ID = 33764
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Audio Frequency 
Identical to OC70 = 2N279
Similar Tubes
Other shape (e.g. bulb type):
  AC122 ; AC125 ; AC151 ; OC303 ; OC65
Normally replaceable-slightly different:
  2G317 ; 991T1 ; OC1070 ; OC13 ; OC302 ; OC602 ; OC603 ; OC71 ; OX7001 ; OX7003 ; SFT101 ; SFT153 ; TS162 ; TS163 ; TS166
Different maximum ratings:
  GFT20
Other characteristic (electr. data):
  AC192
Other base and data slightly different:
  GFT-3V3 ; OX6003
First Source (s)
Mar.1954 : Valvo-Berichte
Predecessor Tubes OC10  
Successor Tubes AC107  
Base Wires
Was used by Radio/TV-reception etc.
Description

PNP germanium junction transistor intended as preamplifier in AF applications. All-glass body, red dot indicates collector.
Also made by Philips and related manufacturing plants.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 5 x 15 x mm / 0.20 x 0.59 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70
d_valvo_oc70_appl.png
OC70: Valvo_Dioden_Transistoren_1959
Thomas Günzel † 1.8.22     More ...
allglas_trans.gif OC70: TVT 73
Günther Stabe † 19.8.20
More ...
 d_valvo_oc70_1.png
OC70: Valvo_Dioden_Transistoren_1959
Thomas Günzel † 1.8.22
More ...
Usage in Models 1= 1955? ; 3= 1956?? ; 2= 1956? ; 4= 1956 ; 7= 1957?? ; 1= 1957? ; 3= 1958?? ; 1= 1958? ; 4= 1958 ; 1= 1959? ; 6= 1959 ; 5= 1960?? ; 10= 1960 ; 1= 1961? ; 4= 1961 ; 4= 1962? ; 10= 1962 ; 5= 1963? ; 18= 1963 ; 1= 1964?? ; 11= 1964? ; 12= 1964 ; 7= 1965? ; 6= 1965 ; 4= 1966? ; 7= 1966 ; 1= 1967?? ; 1= 1967? ; 4= 1967 ; 3= 1968 ; 1= 1970?? ; 1= 9999? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):150
Literature "Funk-Technik (FT)" Vol. 9 No. 17 | 1954-09

Collection of

Günther Stabe † 19.8.20 (D)
Oskar Elm (D)
Collection of a member from D
Egon Penker (A)
 
d_oc70a.jpg

OC70
 
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