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КТ639kt639

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ID = 61369
       
Country:
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to КТ639
Similar Tubes
Different maximum ratings:
  BD140

Base Wires
Description

NPN silicon planar transistor intended as AF / RF power amplifier.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
8 x 11 x 3 mm / 0.31 x 0.43 x 0.12 inch
Weight 2 g / 0.07 oz

to_126_ttt~~66.png КТ639: TTT Steidle 1981
Günther Stabe † 19.8.20

Usage in Models 1= 1977?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
kt_639.jpg

 

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