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73

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ID = 7404
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  High-vacuum Rectifier 
Identical to 73 = CV2543 = RK73 = RKR73

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Um)
Filament Vf 2.5 Volts / If 4.5 Ampere / Half indirect
Description Clipper diode. 13KV PIV, 30mA max dc.
 
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

73_sock.png 73: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
Usage in Models 1= 1933? ; 1= 1935?? ; 1= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 

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