Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 25139
Tube type:  Voltage Regulator, single   Power-supply 
Identical to CV287
Similar Tubes
Other class quality (otherwise equal):
  GTR150M/S ; QS150/15

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Military and/or Government
Filament --/--

177V min anode to cathode striking, 150V stabilized at 2 to 15mA. 240V ignition to pin 4.

Dimensions (WHD)
incl. pins / tip
18 x 49 x mm / 0.71 x 1.93 x inch
Weight 8 g / 0.28 oz
Tube prices 2 Tube prices (visible for members only)
Information source - - Manufacturers Literature   

qs95-150_4.png CV287
Emilio Ciardiello

Just Qvigstad
CV287: Manufacturer's Literature
Emilio Ciardiello

More ...
Usage in Models 1= 1955?? ; 1= 1956? ; 1= 1956 ; 1= 1957? ; 1= 1960?? ; 1= 1963 ; 1= 1975??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

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]

Data Compliance More Information