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FB50

Informazioni - Aiuto 
ID = 36388
       
Stato:
USA (Stati Uniti d'America)
Produttore: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Progettista: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tipo:  Regolatrice di corrente (FeH)   Power-supply 
Identico a FB50

Zoccolo Edison big E27 = 27 mm
Utilizzata per Industrial
Filamento Direct
Descrizione Voltage range 5 - 8 at .225 -.275 amps. This is a ballast tube (baretter or resistance lamp) designed to be placed in series with a circuit to maintain a constant current. This tube is listed on page 48 of "The Story of Electronic Development at the General Electric Company". Dated Dec 10th, 1930. The tube is also listed in the 1945 General Electric Ballast Tube catalog No ETI-194. 
Dimensioni
(LxAxP)
incl.pins/tip
30 x 95 x mm / 1.18 x 3.74 x inch
Bibliografia - - Manufacturers Literature   Catalog ETI-194, 1945

baretter_e27~~6.png FB50: Fin Stewart
Fin Stewart


Just Qvigstad
b6_daten~~1.png
FB50: GE Ballst Tubes ETI-194
Daniel Consales

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