Antique radios, Old Time Radios
21N12
|
Country:
Great Britain (UK)
|
|
| Identical to |
21N12
|
| First Source
(s) |
Dec.1960 : - - Manufacturers Literature Tentative data
|
| Base |
SPECIAL TUBEBASE in general
Top contact with a cap.
|
| Filament |
Vf 5 Volts / If 5 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Mercury Vapour. For use in Welding and Power Supplies
Va <10 kV PIV; Ik <3A mean.
|
Dimensions (WHD)
incl. pins / tip |
59 x 248 x mm / 2.32 x 9.76 x inch |
| Information source |
- - Manufacturers Literature
|
|
|
|
|
21N12: original data sheet
Bernd Staginnus
More ...
|
|
|
|
|
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 |
|
|
|
