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1904K

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ID = 33196
       
Country:
Argentina
Brand: Philips Argentina, FAPESA, Miniwatt tubes; Buenos Aires
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 1904K
Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament If 0.1 Ampere / Specified current AC/DC ~ = (Series working)
Description

30...80V; 100mA.

 
Information source -- Collector info (Sammler)   
1904k_sock.png 1904K: Manufacturers Info
Anonymous 15 Collector

Just Qvigstad 		1904k_data.png
1904K: Noticiero FAPESA publicado en Argentina
Heriberto Tavella
Usage in Models 1= 1948? ; 1= 1954?? ; 1= 1955? ; 1= 1957? ; 1= 1958 ; 1= 1961??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of

Jorge Mochkovsky (RA)
Jorge Juan Stark (RA)
Cristian Wolkenstein (RA)
Rodolfo Gaston Wenceslao Nasasta (RA)
 
fapesa_miniwatt_1904k.jpg

1904K
 
Forum contributions about this tube
1904K
Threads: 1 | Posts: 1
Hits: 2375     Replies: 0
1904K (1904K)
Heriberto Tavella
03.Jan.08 		  1
1904K (1904K) 
Valvula reguladora de corriente de 100 ma. Rango de variacion en reguladora 30-80 V. Se usa en aparatos de ambas corrientes con filamentos en serie
 
1904K
End of forum contributions about this tube
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