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2N139

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ID = 36502
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transistor   RF/IF-Stage 
Identical to 2N139 = 121-75 = 121-76
Similar Tubes
Normally replaceable-slightly different:
  2N170 ; 2N2614 ; 2N409 ; CK759 ; CK760 ; HJ-22D ; HJ22D
First Source (s)
Mar.1956 : -- Collector info (Sammler)
Successor Tubes 2N1638  
Base Wires
Description

PNP germanium alloy transistor intended as AM broadcast IF amplifier.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 6 x 12 x mm / 0.24 x 0.47 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, TTT Steidle 1981, Towers ITVL
2n139_applic.png
2N139: Personal file
Antonio Rabitti
to40_4.gif 2N139: TTT Steidle 1981
Günther Stabe † 19.8.20
2n139_data.png
2N139: RCA Transistor Manual
Heinz Höger
More ...
Usage in Models 1= 1955 ; 9= 1956? ; 6= 1956 ; 7= 1957? ; 10= 1957 ; 1= 1958?? ; 10= 1958 ; 3= 1959? ; 4= 1959 ; 1= 1960?? ; 1= 1960? ; 1= 1961?? ; 1= 1961? ; 1= 1962?? ; 3= 1964 ; 1= 1968?? ; 1= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):61

Collection of

Michael Gnaedig-Fischer (MEX)
Siegfried Neumann (D)
 
usa_rca_2n139.jpg

2N139
 
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