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ID = 3367
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to CF50
First year Mar.1939 Tube leaflet collection E.Erb Philips Book II [178]
First Source (s)
Mar.1939 : Daten und Schaltungen moderner ... Röhren; Philips # 2

Base Europe side contact P8A (Au P, 8SC) (Codex=Sfa)
Filament Vf 30 Volts / If 0.2 Ampere / Indirect
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

CF50: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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28b.png CF50: Datenblatt
Wolfgang Bauer

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Just Qvigstad
CF50: own collection
Peter den Boer

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Usage in Models 1= 1946?? ; 1= 1948? ; 1= 1948 ; 1= 1949? ; 1= 1949 ; 3= 1950?? ; 1= 1950? ; 1= 1951?? ; 1= 1951

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of



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