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ID = 68491
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Solid State Tube Replacement 
  Late but no serial production. For instance only development samples. *****
Identical to 4xTF66_Siemens
Similar Tubes
Different connections:

Base Noval, 9 pin miniature (USA pico-9) B9A

4 x TF66/60, an der Basis zusammengeschaltet = 1 Pin, die Kollektor- und Emitter-Anschlüsse sind separat herausgeführt = 4 + 4 Pins.

(Die Referenz zum Einzeltyp zeigt die Daten)

Dimensions (WHD)
incl. pins / tip
19 x 75 x mm / 0.75 x 2.95 x inch
Weight 4 g / 0.14 oz
Information source -- Collector info (Sammler)   Peter von Bechen (und Infineon-Archiv)

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