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ID = 22779
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to TKF3 = KF3
First year Feb.1936 Tube leaflet collection E.Erb Analysis by original leaflets (T7, V8)

Base Europe side contact base P (P8A) Top contact with a cap
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =
Description Wir verwenden bei Modellen nur die Grundröhre KF3, denn es ist willkürlich, ob ein Apparat mit KF3 oder der Tungsram TKF3 ausgerüstet ist.

Kappe: g1; Anode: 135V, 2mA; Schirmgitter: 135V, 0,6mA; Steuergitter: -0,5...-15V; Steilheit: 0,65...0,002mA/V 
Literature Taschenbuch zum Röhren-Codex 1948/49   
Patrice Zeissloff

TKF3: Telefunken Werkstattbuch
Wolfgang Bauer


Usage in Models 1= 1938

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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