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ID = 20186
Brand: Osram GmbH KG; Berlin
Tube type:  Current Regulator, Urdox without FeH   Power-supply 
Identical to U920 = U920/6_p8 = KS92056
Similar Tubes
Other base:
  U920/6 ; U920/6_B15

Base Europe side contact P8A (Au P, 8SC)
Was used by Radio/TV-reception etc.
Filament If 0.2 Ampere / Specified current AC/DC ~ = (Series working)

200mA bei 7,5...11V
Netzspannung: 220V. Siehe auch Untertypen bzw. andere Werte.

Information source Ballast Tube Handbook, The   
Röhren-Taschenbuch (frühe Ausgaben, spätere siehe andere Einträge)   
  U920: 268 GW
Egon Strampe
U920: My own collection
Hannu Alho

More ...
U920: Telefunken Werkstattbuch
Wolfgang Bauer

U920: Osram, Liste #60, 1937
Anonymous 15 Collector

from Just Qvigstad

Usage in Models 16= 1935 ; 28= 1936 ; 25= 1937 ; 1= 1938? ; 30= 1938 ; 8= 1939 ; 1= 1940? ; 1= 1940 ; 1= 9999

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):111

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