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ID = 46193
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Solid-State-Diode 
Identical to OA721
Similar Tubes
Different maximum ratings:
  GAY61 ; OA720 ; OA741 ; OA780
Successor Tubes GAY61  

Base Wires

Material/Aufbau: Germanium Golddrahtdiode für Schaltzwecke;
Form/Case/Outline: Allglas, axial;
Daten/ I F: 75 mA; U F: <0,7 V; I sp: <1 mA; U sp: 20 V; Imax: 75 mA; Umax: 20 V; tmax j: 70 °C.

Dimensions (WHD)
incl. pins / tip
13 x 4 x mm / 0.51 x 0.16 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   Radio und Fernsehen H.17/1961

OA721: Elektr. Jahrb. 1966 S. 335
Egon Strampe

do29_177.gif OA721: DVT 1971 ECA
Günther Stabe † 19.8.20

Usage in Models 1= 1964?? ; 1= 1965?? ; 1= 1968 ; 2= 1969

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of



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