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ID = 652
Tube type:  Current Regulator, Urdox without FeH 
Identical to UB2500

Base Wires
Description NTC-Widerstand im Glasröhrchen. 
Dimensions (WHD)
incl. pins / tip
4 x 25 x mm / 0.16 x 0.98 x inch
UB2500: O.F.
Otto Frosinn


Usage in Models 10= 1947 ; 5= 1948 ; 1= 1949? ; 17= 1949 ; 1= 9999

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):34

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