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ID = 15993
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transmitting Triode, air cooled   UHF 
Identical to LD5

Base all-glass military (Codex=sp)
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 0.25 Ampere / Indirect / Specified voltage AC/DC

Small UHF transmitting triode, usable down to 35 cm (about 850 MHz).

  • 25 W max anode power
  • 30 W typical RF out at 2 m, decreases to 5 W at 35 cm
  • 720 W peak output in pulse operation at 35 cm


Text in other languages (may differ)
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

LD5: Röhren-Handbuch 1995 Franzis-Verlag
Heinz Höger

ld5_so.png LD5: rtt
Anonymous 10 Collector

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LD5: WM-Röhren Ringbuch
Robert Schmalstieg

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Usage in Models 1= 1944 ; 1= 1950

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of



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