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ESU74

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ID = 31649
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to ESU74
Similar Tubes
Normally replaceable-slightly different:
  CV74

Base Edison giant, E40 = 40 mm-Goliat Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 4 Volts / If 11.5 Ampere / Direct / Specified voltage AC/DC
Description

40kV pk inverse.Ia <0.08A mean .

 
Dimensions (WHD)
incl. pins / tip
51 x 250 x mm / 2.01 x 9.84 x inch
Weight 200 g / 7.05 oz
Information source - - Manufacturers Literature   Data sheet dated April 1952 & Nov. 1960
- - Manufacturers Literature   Ediswan tube catalog January 1959


Just Qvigstad
esu74_ediswan_data_01.png
ESU74: Original data sheet
Otto Galli

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ediswan_esu74_bild1.jpg

ESU74
 

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