Antique radios, Old Time Radios
1701_Amperex
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Country:
United States of America (USA)
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| Identical to |
1701_Amperex
= FG17
= 5557
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 5 Ampere / Direct |
| Description |
This tube is a negative control mercury vapor thyratron used where it is desired to actuate the tube with a change in negative grid voltage. It requies very little grid power and is suitable for use in relay circuits where current flow is desired in te absence of grid exitation.
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| Information source |
Tube Lore (II) 90
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1701_Amperex: Fin Stewart
Fin Stewart
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Just Qvigstad
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