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ID = 20019
Brand: BBC - Brown Boveri; Switzerland
Developer: BBC - Brown Boveri; Switzerland 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to FTL3-1

Was used by Transmittertube (Radio)
Filament Vf 12 Volts / If 26 Ampere / Direct

Power triode for transmission or industrial heating up to 60 MHz. Integral finned radiator.

  • 3.5 kW anode dissipation with 2.7 m³ air flow at 150 mm min water pressure.
  • 7 kV anode voltage, 10 A peak emission, 1.75 A max continuous.
  • 7 kW output power, class C, unmodulated.

Thoriated tungsten directly heated cathode

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
102 x 196 x mm / 4.02 x 7.72 x inch
Weight 3000 g / 105.82 oz
Information source Schweizer Elektronenröhren 1917-2003, Willi E.   Seite 62
FTL3-1: Eigene Sammlung
Aldo Patriarca

FTL3-1: Eigene Sammlung
Alexander Küffer

FTL3-1: Testversion
Peter Steffen

Forum contributions about this tube
Threads: 1 | Posts: 1
Hits: 1648     Replies: 0
Alexander Küffer
  1 El. Daten:

Vf   12V
If    26A
Pa max. 3,5kW
Va max.   7kV 
Ia max.  1,75A
f  max.   60MHz

Anwendung: Industrie und Nachrichtentechnik HF und NF.

Gruss A. Küffer
End of forum contributions about this tube

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