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Information - Help 
ID = 43660
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Bell Labs; Murray Hill, NJ. 
Tube type:  Transistor   Audio Frequency 
Identical to A1698
First Source (s)
Oct.1952 : Popular Science S.237-239
Nov.1951 : Bell Lab News / Symp.

Base Wires
Description Early PNP germanium point contact transistor intended as AF amplifier.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 8 x 5 mm / 0.35 x 0.31 x 0.20 inch
Weight 1 g / 0.04 oz
Information source -- Schematic   

A1698: Funkschau 1953 / Popular Science 1952
Günther Stabe † 19.8.20

early_1_12.gif A1698: KTT 1969/70
Günther Stabe † 19.8.20

A1698: Ref "The Transistor" Bell Labs Nov 1951
Mark Burgess

Collection of



Forum contributions about this tube
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A1698 (A1698)
Mark Burgess

This is an early point-contact transistor by Bell Laboratories. It appears in their manual "The Transistor" produced for the 1951 November symposium. It was marketed by Western Electric.


End of forum contributions about this tube

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