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4B27

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ID = 48481
       
 
   
Tube type:  Full-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 4B27 = 1297 = 16X897 = 38897

Filament Vf 2.5 Volts / If 10 Ampere / Half indirect
Description Tungar-Type rectifier. 1000V PIV, 2A average current, 6A peak, 9 to 12.5V typical forward drop during useful life.
 
Information source Tube Lore (I)   
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el_pin~~9.png 4B27: Manufacturer's Literature
Emilio Ciardiello

4b27_1_2.png
4B27: Manufacturer's Literature
Emilio Ciardiello

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