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EC50

Country: Europe Brand: Common type Europe tube/semicond. Common type Europe tube/semicond. RTC La Radiotechnique - Coprim / Compelec (Philips Composants); Suresnes, Paris Mullard Radio Valve Co. Ltd.; Developer: Philips; Eindhoven (tubes international!); Miniwatt  Tube type:  Thyratron  Identical to EC50 Similar Tubes Multiple differences or of other kind:   4690 First year 1939 -- Collector info (Sammler) First Source (s) May.1939 : -- Original-techn. papers. Predecessor Tubes 4686   GT6H   AC50   Successor Tubes EC860iII   Base Europe side contact P8A (Au P, 8SC) (Codex=Sc) Top contact with a cap. Was used by Industrial Filament Vf 6.3 Volts / If 1.3 Ampere / Indirect / Specified voltage AC/DC Description Replaces GT6H (Mullard data). Helium filled.   Text in other languages (may differ) Dimensions (WHD) incl. pins / tip 43 x 108 x 43 mm / 1.69 x 4.25 x 1.69 inch Weight 35 g / 1.23 oz Tube prices 4 Tube prices (visible for members only) Information source British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 155 (Mullard) -- Original-techn. papers.    Universal Vade-Mecum, Electron Valves and Semiconductor Devices Taschenbuch zum Röhren-Codex 1948/49 EC50: KoBi Konrad Birkner † 12.08.2014     More ... EC50: rtt Anonymous 10 Collector More ... Just Qvigstad EC50: Valvo-Elektronen-Röhren-Handbuch Alexander Küffer More ... Usage in Models 2= 1939 ; 1= 1940 ; 2= 1941?? ; 1= 1941 ; 1= 1943 ; 1= 1945?? ; 1= 1947? ; 1= 1949?? ; 4= 1949 ; 2= 1950 ; 1= 1951 ; 1= 1952?? ; 1= 1952? ; 1= 1953 ; 1= 1954? ; 1= 1956?? ; 1= 1968?? Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23 Collection of Roy Johnson (GB) Valery Gromov (RUS) Georges Werts (B) Collection of a member from D Marcello Astolfi (I) Siegmar Mey (D) Michael Wilhammer (D) Ernst Erb (CH) Danko Tkalec (HR) Hannu Alho (FIN) Patrice Zeissloff (F) Tor Steinnes (N) Christian Schaufelberger (CH) Trev Levick (D) Jan Peter Brömme (D) Karl-Heinz Schmehr † 29.04.2016 (D) Collection of a member from FIN Reinhard Riek (D) Tomasz Szczesniak (PL) Peter Pfeiffer (D) Oskar Elm (D)

EC50

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Hits: 2794     Replies: 0 EC50 (EC50) 2 Farben in der Röhre
Urs Gloor 26.Jul.06	1 EC50 (EC50) 2 Farben in der Röhre  Neben dem Leuchten des Kathodenröhrchens das Leuchten des Heliums, Ia =10 mA / Ua = 30 VDC / Ug = 0 V aufgenommen mit einem leichten Weitwinkel - wegen des schwachen Leuchten. Attachments EC50 in Betrieb (44 KB)

 

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