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ID = 20541
Brand: Tungsram; Budapest (see also British T.)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to OS41/1250 = 804

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 7.5 Volts / If 3 Ampere / Indirect / Specified voltage AC/DC


Dimensions (WHD)
incl. pins / tip
x 197 x 52 mm / x 7.76 x 2.05 inch
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 435, p. 961

os411250_sockel.png OS41/1250: Küffer Alexander
Alexander Küffer

More ...

Just Qvigstad
Usage in Models 1= 1941 ; 1= 1943

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

Collection of



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