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40A1

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ID = 23770
       
Country:
United States of America (USA)
Brand:
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 40A1

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Specified current AC/DC ~ = (Series working)
Description

used in 110V AC-DC Sets.
Sylvania regulates 70 to 95 milliamps over 20 to 60 volts drop. Other manufacturers give 150 milliamps at 40 volts.

 
Text in other languages (may differ)
Information source Ballast Tube Handbook, The   

6_4_50.png 40A1
Emilio Ciardiello


Just Qvigstad

Collection of

 
philco_40a1_front.jpg

40A1
 

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