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ID = 3681
Brand: Dario (tubes) - voir aussi La Radiotechnique
Developer: Dario (tubes) - voir aussi La Radiotechnique 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to UF2 = CF2
Similar Tubes
Normally replaceable-slightly different:
First year 1934 -- Collector info (Sammler)
First Source (s)
1934 : -- Collector info (Sammler)

Base Europe side contact P8A (Au P, 8SC) (Codex=Sf)
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 189, p. 346
Taschenbuch zum Röhren-Codex 1948/49   

UF2: Magazine Radio Constructeur n°21 du 1er juin1938
Patrice Zeissloff

28_40.png UF2: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
Usage in Models 5= 1934 ; 2= 1935 ; 1= 1937 ; 1= 1940??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):9

Collection of



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