Antique radios, Old Time Radios

0A3

Country:	United States of America (USA)		Brand:	Common type USA tube
			Tube type:	Voltage Regulator, single Power-supply

Tube ID = 4072

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Identical to	0A3 = VT-260 = QS1205 = CV1895 = VR75-30 = QS75/40
Similar Tubes	Other shape (e.g. bulb type): 0A3A
First Source (s)	06.Mar.1944 : Electron Tube Registration List

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
Filament	-: No heater /
Description	Startspannung: 105V min, Arbeitsspannung: 75V, Arbeitsstrom: 5mA bis 40mA, Stabilität: 6,5V / 5mA bis 40mA, max. Strom für 10sec: 100mA, (gem. Sylvania) Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	0A3: HP Testoszillator 650A Heinz Höger

0A3: Collection JR
Jacob Roschy

0A3: Ratheiser RTH,3.Aufl.,1964
Egon Penker

0A3: Manufacturer's Literature
Emilio Ciardiello

Usage in Models	1= 1950?? ; 1= 1950? ; 3= 1951 ; 1= 1953? ; 1= 1953 ; 2= 1955?? ; 1= 1955 ; 1= 1956?? ; 1= 1956? ; 1= 1957? ; 1= 1959? ; 1= 1960??
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 15

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