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KF521

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ID = 38973
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Transistor   Universal 
Identical to KF521

Base Wires
Description N-channel MOS FET for universal purpose.

Text in other languages (may differ)
Information source

kf_521.png
KF521: Elektr. Jahrb. 1980 S. 185
Egon Strampe

Usage in Models 1= 1966??

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

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