Antique radios, Old Time Radios
2N1990
|
Country:
United States of America (USA)
|
|
| Identical to |
2N1990
|
| Similar
Tubes |
Other base and data slightly different:
SS200
|
| Base |
Wires
|
| Description |
NPN silicon planar transistor intended as AF driver.
French versions (2N1990N, 2N1990R, 2N1990S: COSEM) for switching applications.
-
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
9 x 7 x 8 mm / 0.35 x 0.28 x 0.31 inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) KTT 1969/70, TTT Steidle 1981, Towers ITVL
|
2N1990: Funktechnik 17/65
Egon Strampe
|
2N1990: TVT 73
Günther Stabe † 19.8.20
|
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
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 |
|
|
|
