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

U77

Information - Help 
ID = 55785
       
Country:
Great Britain (UK)
Brand: GEC, General Electric Co.; London
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to U77
Similar Tubes
Normally replaceable-slightly different:
  5R4

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 1.9 Ampere / Direct
Description <1.5kV PIV, <750mA peak each anode. <60µF reservoir Capacitance.
With 400-0-400 rms input Vout=430 at 250mA maximum. 
Dimensions (WHD)
incl. pins / tip
38 x 86 x mm / 1.50 x 3.39 x inch
Information source - - Manufacturers Literature   April 1961
 
genalex_u77.jpg
U77: aus ebay, Verkäufer jdmsales
Gottfried Silberhorn

 

from Just Qvigstad

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]
  
rmXorg