Antique radios, Old Time Radios
F242
| Base |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
|
| Was used by |
Radio/TV-reception etc. |
| 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.
|
Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
48 g / 1.69 oz |
| Information source |
Philips Bulletin Philips Radiolamp Equivalents R1164
- - Manufacturers Literature Philips Australia RIF29
Babani, International Radio Tube Encyclopaedia
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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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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