Antique radios, Old Time Radios
1N21A
Country:
United States of America (USA)
|
|
Identical to |
1N21A
|
Similar
Tubes |
Normally replaceable-slightly different:
1N21B
; 1N28
Other characteristic (electr. data):
1N21
|
Base |
No base
|
Was used by |
Radar |
Description |
Silicon, poit-contact mixer diode, NF 14.6dB at 3GHz.
Text in other
languages (may
differ)
|
Dimensions (WHD) incl. pins / tip |
7 x 22 x mm / 0.28 x 0.87 x inch |
Weight |
2 g / 0.07 oz |
Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I) KTT 1969/70
|
1N21A: HP Manual Model 540A
Heinz Höger
|
1N21A: 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 |
|
|