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A141

Country:  Netherlands      Brand:  Philips; - Eindhoven; Netherlands 
  Developer:  Philips; - Eindhoven; Netherlands 
  Tube type:  Space Charge Tetrode 
Tube ID = 2446
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Identical to A141
First Series   1925 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) 1924 : Saga of the Vacuumtube, Tyne p.421

Base Europe 4-Pin (A, 4A, B4, since 1914) Sidecontact
Was used by Radio/TV-reception etc.
Filament Vf 1.3 Volts / If: 0.06 Ampere / -: Direct / -: Battery = /
Description Heizung 1 - 1,3V/0,08A; Sättigungsstr. 10mA; Ruhestrom 4,5mA; Anodenspannung 2 - 20V; Verstärkungsfaktor 4,5; Durchgriff 22%; Steilheit 1mA/V; Innerer Widerstand 4500Ω; Anwendung: H.A.N.L.; Preis 1927: 17,50ATS. Daten aus dem WEKA-Katalog 1927, Seite 163. 
Text in other languages (may differ)
Literature Radios von gestern   Seite 227

philipsa141.jpg
My own
Anonymous 507 Collector

 
s_1_g.gif
W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
Usage in Models (calculation each 25th of the month)   3= 1925 ; 3= 1927 ; 1= 1933 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   7
No further Information for

A141    

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