Radio Antica e Radio d'epoca
FR-503
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
FR-503
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
UY227
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| Zoccolo |
UX-Base (4 Pins (2 thick, USA 1924)
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| Utilizzata per |
Industrial |
| Filamento |
Vf 2.5 Volt / If 1.75 Ampere / Indirect / Specified voltage AC/DC |
| Descrizione |
tHis tube was designed by GE as an undustrial versiion of the UY227. It It is described as a Pliotron AC general purpose.
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Dimensioni
(LxAxP)
incl.pins/tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Peso |
48 g / 1.69 oz |
| Bibliografia |
- - Manufacturers Literature GE Vacuum Tube Designations 12/10/1930
Tube Lore (II) p. 26 & 213
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FR-503: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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