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Information - Help 
ID = 652
Tube type:  NTC-resistor (Thermistor -hot conductor)   Power-supply 
Identical to UB2500

Base Wires
Was used by Radio/TV-reception etc.

NTC-Widerstand im Glasröhrchen,
überbrückt die Skalenlampe(n) bei deren Ausfall.

Dimensions (WHD)
incl. pins / tip
4 x 25 x mm / 0.16 x 0.98 x inch
  UB2500: 4647 GW
Egon Strampe
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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