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121-19

Information - Help 
ID = 72477
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transistor   Power/Output 
Identical to 121-19 = R16_TI
Similar Tubes
Other base and data slightly different:
  2N408 ; 2N632

Base Wires
Description

PNP germanium alloy transistor intended as AF low power amplifier
-

 
Text in other languages (may differ)

Usage in Models 2= 1956 ; 1= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
transistor_121_19.jpg

 

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