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ID = 37682
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Transistor   Universal 
Identical to OC139
Similar Tubes
Normally replaceable-slightly different:
  2SC34 ; 2SC60 ; XS101
Other base and data slightly different:
First Source (s)
Mar.1959 : Valvo-Berichte

Base Wires
Filament Solid State
Description NPN junction germanium transistor intended as switch and / or bi-directional applications. All-glass body, blue (?) 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 4 g / 0.14 oz
Information source -- Collector info (Sammler)   KTT 1969/70
  OC139: Schema: K 67
Egon Strampe
OC139: Daniel Doll
Daniel Doll

OC139: TVT 73
Günther Stabe † 19.8.20

OC139: Miniwatt Halbleiterdaten 1960, Wiveg
Markus Müllner

Usage in Models 2= 1962 ; 2= 1963? ; 4= 1963 ; 1= 1965?? ; 4= 1965 ; 4= 1966 ; 1= 1967

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

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