[elecena] DS1990A-F5 - zmiany ceny Serial Number iButton, F5 Size, RoHS, Maxim Integraded DS1990A-F5 - 7.51 PLN https://elecena.pl/product/4579506/ds1990a-f5 2014-01-26 DS1990A-F5 - 14.76 PLN https://elecena.pl/product/4579506/ds1990a-f5 2019-03-07