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ID = 52251
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to UX220 = 20 = CX220 = UX120 = CX320 = 220_USA

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.1 Ampere / Direct / Battery =

from Just Qvigstad

Usage in Models 1= 1929? ; 1= 9999?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Forum contributions about this tube
Threads: 1 | Posts: 1
Hits: 1698     Replies: 0
UX220 (UX220)
Douglas Ready

I believe that the correct number for this tube is


It is identcal, except for the marking on the plastic base, to the Cunningham


As far as I know, there was never a model UX220 (UX-220).


End of forum contributions about this tube

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