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T2742

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ID = 12257
       
Country:
Germany
Brand: Osram GmbH KG; Berlin
Tube type:  Voltage Regulator, single 
Identical to T2742
Base Edison medium E14 = 14 mm, mignon (Codex=Edison 14 mm)
Filament
Information source Taschenbuch zum Röhren-Codex 1948/49   

Just Qvigstad
Usage in Models 3= 1939 ; 1= 1945 ; 1= 1948??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
 
Forum contributions about this tube
T2742
Threads: 1 | Posts: 1
Hits: 582     Replies: 0
Daten zu T2742
Hans-Thomas Schmidt
25.Sep.26 		  1
Daten zu T2742 

In der RTT49 ist diese Glimmlampe als Spannungsstabilisator angegeben: Zündspannung <100V, Brennspannung 80V, Querstrom max. 3mA; Ring ist Anode, Platte ist Kathode, E14 mit Riefelung
 
T2742
End of forum contributions about this tube
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