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ID = 33979
Brand: Werk für Bauelemente der Nachrichtentechnik (WBN), Teltow, VEB, RFT (Ostd.) - vorm. DRALOWID
Developer: Werk für Bauelemente der Nachrichtentechnik (WBN), Teltow, VEB, RFT (Ostd.) - vorm. DRALOWID 
Tube type:  Transistor   Frequency converter 
Identical to OC872
Similar Tubes
Other shape (e.g. bulb type):
  AF117 ; GF105
Normally replaceable-slightly different:
  AF101 ; OC400 ; OC613
Different maximum ratings:
First Source (s)
Mar.1961 : -- Collector info (Sammler)
Successor Tubes GF105  

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Germanium Flächen PNP;
Form/Case/Outline: ~ TO-44 (3 Pins)
Daten/ I F: 10 mA; U F: 5 V; Isp: 10 µA; ß (beta): >20; N: 30 mW; Imax(Ic): 15 mA; Umax(Uce): -16 V; f g(FT): >7 MHz; tmax j: 75 °C.
Später in HWF/HFO (Halbleiterwerk Frankfurt/Oder) gebaut.
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)   Techn. Mitteilg. Institut f. HL-Technik 1961
  OC872: Radio und Fernsehen 1 3/ 1962
Egon Strampe
OC872: W.E.
Wolfgang Eckardt

More ...
OC872: TVT 1979/80 ECA
Günther Stabe † 19.8.20

OC872: Hersteller
Karl-Heinz Entrich † 7.21

Usage in Models 1= 1960? ; 1= 1961 ; 1= 1962

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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