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ID = 34279
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Solid-State-Diode   Universal 
Identical to AA139
Similar Tubes
Normally replaceable-slightly different:
  OA7 ; OA9 ; SFD021 ; SFD037

Base Wires
Filament Solid State
Description Material/Aufbau: Germanium Kleinflächendiode;
Form/Case: Allglas, DO-7;
Daten/ I F: 200 mA; U F: 0,5 V; I sp: 100 µA; U sp: 20 V; Imax: 400 mA; Umax: 20 V; tmax: 100 °C;
Dimensions (WHD)
incl. pins / tip
3 x 7 x mm / 0.12 x 0.28 x inch
Information source -- Collector info (Sammler)   
  AA139: Funktechnik 4/69
Egon Strampe
AA139: MiFie
Michael Fiedler

AA139: DVT 1971 ECA
Günther Stabe † 19.8.20

AA139: Telefunken_Halbleiter_1970
Thomas Günzel

Usage in Models 1= 1971 ; 1= 1972 ; 2= 1975

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

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