Transistors of the USSR 2T912B, KT704A, KT803A, 2T808A, P702

Опубликовано: 25 Март 2025
на канале: Радиодетали содержащие драгметалл
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In this video, an overview of Soviet transistors, with the content of precious metal. Brand, year of manufacture, manufacturer, approximate price. Content of precious metals.
A small clarification: an error in the cost of the 1st transistor. Not 40 rubles, but 80 it costs!
The content of precious metal in one product, in grams.
2T912B gold: 0.04563; silver: 0.50485
KT704A gold: 0.0261461; silver: 0.276552
KT803A gold: 0.025;
2T808A gold: 0.03223 silver: 0.09796
P702 (unacceptable) silver: 0.086

KT808GM (not in the video) gold: 0.0003569
this same transistor, only with the letters (AM ,BM, VM at the end) meet the technical conditions: AO.336.240 TU.