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DU15

Information - Help 
ID = 7737
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to DU15

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct
Description Mullard data booklet (1929?) states If=0.6A. Va < 500V rms at Ia <60mA mean. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 

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