radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

3E21

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

Base Septar (1+6 pins) 2 Top contacts.
Was used by Transmittertube (Radio)
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.

 
Dimensions (WHD)
incl. pins / tip
x 105 x 58 mm / x 4.13 x 2.28 inch
Weight 100 g / 3.53 oz
Information source Tube Lore (I)   

3e21_so.png 3E21
Anonymous 10 Collector

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information