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SG20

Information - Help 
ID = 13008
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to SG20 = B2052T

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type
Filament Vf 20 Volts / If 0.18 Ampere / Indirect
Dimensions (WHD)
incl. pins / tip
46 x 140 x mm / 1.81 x 5.51 x inch
Weight 67 g / 2.36 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Collector info (Sammler)   
Babani, International Radio Tube Encyclopaedia
 
sg20.jpg
SG20: RFJ
Roy Johnson

 
sg20_so.png
SG20: rtt
Michael Schlör

 

Usage in Models 2= 1932? ; 1= 1933?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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