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U2020/5

Country:  Germany      Brand:  Osram GmbH KG; Berlin 
  Tube type:  Current Regulator, Urdox without FeH   Power-supply 
Tube ID = 33660
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Identical to U2020/5
Similar Tubes Normally replaceable-slightly different:
 U2020

Base Europe side contact base P (P8A)
Filament Vf 20 Volts / If: 0.2 Ampere / -: Series, AC/DC /
Description 200mA bei 19...23V
Netzspannung: 110...220V 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
30 x 82 x mm / 1.18 x 3.23 x inch
Weight 28 g / 0.99 oz
Literature Röhren-Taschenbuch (frühe Ausgaben, spätere siehe andere Einträge)

u20205osram_web.jpg
U2020/5: CA
Christian ADAM

 
189_5~~1.png
U2020/5: Telefunken Werkstattbuch
Wolfgang Bauer

 
Usage in Models   2= 1937
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   2

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