Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 7553
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 8020 = 1K20 = V40 = 56000 = WL578 = VT-267
Similar Tubes
Normally replaceable-slightly different:
  100R_Eimac ; CV2967 ; V100/25
Other class quality (otherwise equal):
Multiple differences or of other kind:
First Source (s)
13.Nov.1942 : Electron Tube Registration List rec. 313
Predecessor Tubes 56000  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br) Top contact with a cap.
Was used by Industrial
Filament Vf 5 Volts / If 6 Ampere / Direct / Specified voltage AND current AC/DC

40KV PIV, 200V drop at 100mA DC output. Tube used as a surge limiter in electrostatic precipitators, With a special hard glass bulb

Dimensions (WHD)
incl. pins / tip
x 165 x 50 mm / x 6.50 x 1.97 inch
Weight 100 g / 3.53 oz
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 124
- - Manufacturers Literature   
Tabletop Radios Volume 1

8020_so.png 8020: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
8020: Valvo Röhrentaschenbuch 1957
Anonymous 10 Collector

More ...

Collection of



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]