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ID = 33670
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  SEMICONDUCTOR, general   Frequency converter 
Identical to 1N23C = TH8123C
Similar Tubes
Normally replaceable-slightly different:
  1N23D ; TH8023C
Other characteristic (electr. data):
  1N23 ; 1N23B

Base No base
Filament Solid State
Description Silicon, poit-contact mixer diode, NF 10 dB at 9.37GHz. Also available as reverse, 1N23CR. Matched pairs: 1N23CM, forward pair, and 1N23CMR, reverse pair. 
Information source - - Manufacturers Literature   Sylvania Microwave Crystal Diodes
1N23C: Private collection
Emilio Ciardiello

1N23C: KTT 1969/70
Günther Stabe † 19.8.20

1N23C: Compagnie Françaiqe Thomson Houston
Patrice Zeissloff

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