Radio Antica e Radio d'epoca
38217
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
38217
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
FG17
; SE-4261
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| Sostituisce i modelli |
SE-4261
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| Zoccolo |
UX-Base (4 Pins (2 thick, USA 1924)
Top contact with a cap.
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| Utilizzata per |
Militaire et/ou Services Publics |
| Filamento |
Vf 2.5 Volt / If 5 Ampere / Direct |
| Descrizione |
US Navy code for commercial type FG-17.
This tube is a negative control mercury vapor thyratron for use where it is desired to actuate the tube with a negative grid voltage. It requires relatively little grid power and is suitable for use in relay circuits where current flow is desired in the absence of grid exitation.
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| Bibliografia |
Tube Lore (II) p. 90 & 182
Tube Lore (I)
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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38217: 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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