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ID = 12985
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to S2012N
Similar Tubes
Normally replaceable-slightly different:
  B2045 ; H1818D ; H1918D ; H2618D ; HP2118 ; RENS1819 ; RENS1894

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect
Information source Babani, International Radio Tube Encyclopaedia   p. 140 & 141
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 190, p. 351
Taschenbuch zum Röhren-Codex 1948/49

9_35.png S2012N: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
S2012N: Triotron Röhrenkatalog von 1942
Wolfgang Bauer


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