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ECH 3  
Country:  Europe      Brand:  Common tube type Europe 
  Developer:  Philips; - Eindhoven; Netherlands 
  Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to ECH3
Similar Tubes 6E8G (other base and data slightly different)   ECH11 (other base and data slightly different)   6E8MG (Multiple differences or of other kind)   X147 (other base)   ECH33 (other base)   OM10 (other base and data slightly different)  
First Series   Feb.1939 Tube leaflet collection E.Erb Philips Book II [178]
First Source (s) Feb.1939 : Daten und Schaltungen moderner ... Röhren; Philips
Jul.1939 : Histoire de la lampe de radio
Predecessor Tubes ECH2   EK2   ACH1   21TH8   TACH1   ACH1_Tungsram  
Successor Tubes 1940 ECH4   ECH21   ECH42  

Base Europe side contact base P (P8A) (Codex=Sa) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.2 Ampere / Vf 6.3 Volts /
Tube prices 0 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49