Antique radios, Old Time Radios
21-20
|
Country:
United States of America (USA)
|
|
| Identical to |
21-20
|
| Base |
Wires
|
| Was used by |
Radio/TV-reception etc. |
| Description |
PNP germanium alloy transistor (second choice) used as detector
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
6 x 10 x 6 mm / 0.24 x 0.39 x 0.24 inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Schematic
|
|
21-20: TTT Steidle 1981
Günther Stabe † 19.8.20
|
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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 |
|
|
|
