Antique radios, Old Time Radios
F242
Country:
Netherlands
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Identical to |
F242
= UY224
= PH224
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Similar
Tubes |
Normally replaceable-slightly different:
F242N
; SY224A
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Base |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
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Filament |
Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC |
Description |
Typ:-
Pa <1W; Va = 200; Vg2=100; Vg=-1.3; Ia=1.6mA, gm=0.6mA/V, Ra=0.8M ohms
Babani gives heater current as 1.5A compared with original data of 1.75A.
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Information source |
Babani, International Radio Tube Encyclopaedia
- - Manufacturers Literature Philips Australia RIF29
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F242: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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F242: own collection
Peter den Boer
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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Data Compliance |
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