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C509 Info
Country:  Netherlands      Brand:  Philips; - Eindhoven; Netherlands 
  Tube type:  Triode, vacuum   Universal 
Tube ID = 31673
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Identical to C509 = C509A = 01A

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament -: Direct / -: Battery = / If: 0.25 Ampere / Vf 5 Volts /
Description Heizung 4,5 - 5,3V/0,25A; Sättigungsstr. 50mA; Ruhestrom 10mA; Anodenspannung 20 - 120V; Verstärkungsfaktor 9; Durchgriff 11%; Steilheit 1mA/V; Innerer Widerstand 9000Ω; Anwendung: H.A.N.L.; Preis 1927: 19ATS. Daten aus dem WEKA-Katalog 1927, Seite 163. 
Text in other languages (may differ)

c509.jpg
mi coleccion
Jose Luis Campayo-Soriano

 
c509_so.png
ARRL Handbook 1972
Michael Schlör

 
No further Information for

C509    

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