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1N21A

Information - Help 
ID = 8510
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  SEMICONDUCTOR, general   Frequency converter 
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_typsch.png
1N21A: HP Manual Model 540A
Heinz Höger

1n21pin_5.png 1N21A: Manufacturer's Literature
Emilio Ciardiello

Collection of

 
usa_westernelectric_1n21a_photo.jpg

1N21A
 

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