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S4045A

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ID = 59994
       
Country:
Sweden
Brand: Standard Radiofabrik A.B.; Ulvsunda
Developer: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Tube type:  Screen-grid Tetrode   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to S4045A
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Telephony
Filament Vf 5 Volts / If 1.6 Ampere / Direct / Specified voltage AND current AC/DC
Information source Babani, International Radio Tube Encyclopaedia   
- - Manufacturers Literature   Sept 1950
s4045_pinout.png S4045A: From my schematic collection.
Pier Antonio Aluffi

Just Qvigstad 		s4045a_characteristics.png
S4045A: My schematic collection.
Pier Antonio Aluffi
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