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ID = 12441
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Beam Power Tube 
Identical to 350A = VT-230
Successor Tubes 367A  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hc)
Filament Vf 6.3 Volts / If 1.6 Ampere / Indirect

30W plate dissipation; 600V, 125mA max. Comparable with 807.
WE, STC and NEC known manufacturers. The 350A, 350B and 367A have essentially identical characteristics. Te tubes differ in the way the leads are brought out and in basing arrangments.

Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
- - Manufacturers Literature
350A: Röhrensammlung
Hermann Fleischanderl

350A: ARRL Handbook 1972
Michael Schlör

350A: own collection
Peter den Boer

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