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54

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ID = 15291
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitting Triode, air cooled 
Identical to 54 = Gammatron_54 = 4C25
Similar Tubes
Normally replaceable-slightly different:
  3B/501A ; CV49
Different maximum ratings:
  35TG

Base Sidecontact and top contact.
Filament Vf 5 Volts / If 5 Ampere / Direct
Description VHF transmitting triode. Thoriated tungsten filament. Grid and plate pins.
50W plate dissipation, 3KV max plate voltage at 150mA max, gain 27. Up to 200MHz max full-ratings operating frequency.
Tantalum plate shows dull cherry red color when operated at 50W.
Heintz & Kaufman, Hytron and even STC, as 3B/501A, known manufacturers. 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Tube Lore (I)

4c25_4.png 54
Emilio Ciardiello

4c25_1_1.png
54: Manufacturer's Literature
Emilio Ciardiello

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