Antique radios, Old Time Radios
FG57
|
Country:
United States of America (USA)
|
|
| Identical to |
FG57
= ST57
= GL5559
= 5559
|
| Similar
Tubes |
Other shape (e.g. bulb type):
NL-5559/FG-57
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
|
| Was used by |
Industrial |
| Filament |
Vf 5 Volts / If 4.5 Ampere / Indirect |
| Description |
This tube is a negative control mercury vapour type for use where it is desired to activate it with a change in 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 excitation.
grid voltage -1.75 at anode voltage of 100 and -6.5 volts at anode voltage of 1000.
It is listed on page 48 of the "Story of Electronic Development at the General Electric Company " Dated Dec 10th, 1930
Also made in Italy by Fivre.
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
x 74 x 169 mm / x 2.91 x 6.65 inch |
| Weight |
125 g / 4.41 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
|
|
FG57: Valvo Röhrentaschenbuch 1957
Anonymous 10 Collector
|
Just Qvigstad
|
FG57: Manufacturer's Literature
Emilio Ciardiello
|
Collection of
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
