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2N489

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ID = 45230
       
Country:
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Tube type:  Transistor 
Identical to 2N489
Similar Tubes
Normally replaceable-slightly different:
  2N491 ; 2N494
First Source (s)
Dec.1957 : - - Manufacturers Literature

Base Wires
Description

Silicon unijunction transistor. 250mW power dissipation, 2A peak emitter current, 60V emitter reverse voltage.
5.6 kohms interbase resistance at 25 degrees/C, 0.56 intrinsic standoff ratio, 0.07 microamps emitter reverse current at 25 degrees/C.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 9 mm / 0.35 x 0.28 x 0.35 inch
Weight 1 g / 0.04 oz
Information source -- Original prospect or advert   Electronics, Dec. 1957, pg. 257
-- Collector info (Sammler)   KTT 1969/70

to33_2.gif 2N489: TTT Steidle 1981
Günther Stabe † 19.8.20

 

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