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ID = 18563
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Electrometer Tetrode or Pentode 
Identical to DF703 = 5886 = CK5886 = CK571AX

Base Wires
Filament Vf 1.25 Volts / If 0.01 Ampere / Direct / Battery =
Description Elektrometer-Röhre, zur praktisch belastungsfreien Messung kleinster Spannungen. 
Dimensions (WHD)
incl. pins / tip
10 x 38 x mm / 0.39 x 1.50 x inch
Weight 3 g / 0.11 oz
Tube prices 1 Tube prices (visible for members only)

DF703: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

df703_sockel.png DF703: Telefunken Röhrenhandbuch
Wolfgang Bauer

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DF703: Telefunken Röhrenhandbuch
Wolfgang Bauer

More ...
Usage in Models 1= 1963?

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

Collection of



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