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20A3

Information - Help 
ID = 31694
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Gas Tetrode 
Identical to 20A3

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC
Description

For Use as a Gas Relay

Va <1300 PIV; Ik <500ma mean. Vg1, Vg2 <-100V.

 
Dimensions (WHD)
incl. pins / tip
x 54 x 19 mm / x 2.13 x 0.75 inch
Weight 10 g / 0.35 oz
Information source - - Manufacturers Literature   Ediswan and Mazda data sheets dated October 1949


Just Qvigstad
20a3_ediswan_data_01.png
20A3: original data sheet
Bernd Staginnus

More ...
 
gb_mazda_20a3_image.jpg

 

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