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ID = 4078
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Voltage Regulator, single   Power-supply 
Identical to 0C2 = SR51
Similar Tubes
Other shape (e.g. bulb type):
  75C1 ; GD75P

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament No heater
Description Stabilized voltage 75V, regulation within 3V from 5 to 30mA; 115V minimum anode supply voltage. 
Tube prices 4 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
  0C2: Manuale delle Valvole ed.Nord Est
Fabio Masetti
0C2: Own collection
Kazimierz Jarosz

0C2: Essential characteristics
Peter Hoddow

0C2: Essential characteristics
Peter Hoddow

from Just Qvigstad

Usage in Models 1= 1959 ; 1= 1960? ; 1= 1960 ; 1= 1962? ; 1= 1963? ; 1= 1965 ; 1= 1971?

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

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