Antique radios, Old Time Radios
PL5557
|
Country:
Netherlands
|
|
| Identical to |
PL5557
= 5557
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
|
| Was used by |
Industrial |
| Filament |
Vf 2.5 Volts / If 5 Ampere / Direct / Specified voltage AC/DC |
| Description |
This tube is a negative control mercury vapor thyratron for use where it is desired to acuate the tube 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 exitation.
2500V PIV, 0.5A average. Vertical, base down mounting.
|
| Weight |
100 g / 3.53 oz |
| Information source |
- - Manufacturers Literature
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 546, p. 1153
|
|
PL5557: Manufacturer's Literature
Emilio Ciardiello
More ...
|
Just Qvigstad
|
PL5557: Miniwatt Handbuch
Peter Hoddow
More ...
|
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 |
|
|
|
