[elecena] 2SC4020 - zmiany ceny SI-N 900V 3A 50W 1000NS 2SC4020 - 9.50 PLN https://elecena.pl/product/224816/2sc4020 2007-02-26 2SC4020 - 9.58 PLN https://elecena.pl/product/224816/2sc4020 2011-01-05 2SC4020 - 9.50 PLN https://elecena.pl/product/224816/2sc4020 2013-12-07