[elecena] TDA2822 - zmiany ceny Układ scalony TDA2822 - 1.50 PLN https://elecena.pl/product/4952405/tda2822 2015-01-04 TDA2822 - 2.00 PLN https://elecena.pl/product/4952405/tda2822 2017-03-20 TDA2822 - 5.00 PLN https://elecena.pl/product/4952405/tda2822 2026-01-18