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340_Ballast

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ID = 69753
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 340_Ballast
Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament If 0.3 Ampere / Specified current AC/DC ~ = (Series working)
Description

I = 0.3 A / U mittel = 102 V

 
Information source Ballast Tube Handbook, The   

Just Qvigstad
Usage in Models 1= 1935? ; 2= 1935 ; 1= 1936?? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5
 
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