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5644

Information - Help 
ID = 31306
       
 
   
Tube type:  Voltage Regulator, single   Power-supply 
Identical to 5644 = M8216 = CV3987
First Source (s)
12.Apr.1950 : Electron Tube Registration List

Base Subminiatur-8, with space 1/8, B8D
Filament No heater
Description

90V 5-25mA. T3 bulb with flying leads.
Mullard, Raytheon and Sylvania known manufacturers.

 
Information source - - Manufacturers Literature   
Tube Lore (I)   
 
img_4745.jpg
5644: foto personal de una valvula de mi coleccion
Tomas Montero-Molinero

 
4cn_res.png
5644: Manufacturer's Literature
Emilio Ciardiello

 
5644_01.png
5644: Manufacturer's Literature
Emilio Ciardiello


from Just Qvigstad

Usage in Models 1= 1951?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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