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3E21

Information - Help 
ID = 48648
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Beam Power Tube   Text 
Identical to 3E21
Similar Tubes
Normally replaceable-slightly different:
  829 ; VT-259

Base Septar (1+6 pins) 2 Top contacts.
Filament Vf 12.6 Volts / If 1.125 Ampere / Indirect
Description VHF transmitting tube. 28W plate dissipation, capable of operation up to 250MHz. Heater may be operated at 6.3V drawing 2.25A. 
Information source Tube Lore (I)   
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3e21_so.png
3E21
Michael Schlör

 

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