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0B3

Information - Help 
ID = 4076
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Voltage Regulator, single   Power-supply 
Identical to 0B3 = VT-184 = CV3799 = VR90
Similar Tubes
Other shape (e.g. bulb type):
  0B3A
Normally replaceable-slightly different:
  GL-90/30
Other class quality (otherwise equal):
  38290
Other characteristic (electr. data):
  1265
First Source (s)
14.Sep.1942 : Electron Tube Registration List

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
Was used by Radio/TV-reception etc.
Filament
Description

Startspannung: 125V min,
Arbeitsspannung: 90V,
Arbeitsstrom: 5mA bis 30mA,
Stabilität: 6V / 5mA bis 30mA,
max. Strom für 10sec: 100mA, (gem. Sylvania)

 
Dimensions (WHD)
incl. pins / tip
x 105 x 34 mm / x 4.13 x 1.34 inch
Weight 38 g / 1.34 oz
Tube prices 6 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 37 & 213
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

0b3_sch.png
0B3: Manuale delle Valvole ed.Nord Est
Fabio Masetti

0a3_2.png 0B3
Emilio Ciardiello

More ...

Just Qvigstad
0a_b_c_d3_1.png
0B3: Manufacturer's Literature
Emilio Ciardiello

Usage in Models 1= 1944 ; 1= 1951

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
0b3.jpg

0B3
 

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