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ID = 40835
Tube type:  Triode, vacuum   Universal 
Identical to 30S = 30
First Source (s)
1934 : -- Schematic

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Vf 2 Volts / If 0.06 Ampere
Description Typ:- Va=90; Ia=2.5mA; Vg=-4.5; gm=0.85mA/V.
Operation at Va<135V permissible 
Dimensions (WHD)
incl. pins / tip
41 x 91 x mm / 1.61 x 3.58 x inch
30S: GP
George Papaiz

30S: arrl handbook 1972
Michael Schlör


from Just Qvigstad

Usage in Models 3= 1934 ; 6= 1935 ; 6= 1936

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):15

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