[elecena] BF257 - zmiany ceny TRANZYSTOR BF257 CEMI NPN 160V TO39METAL 0,1A 5W 90MHZ =BFAP57 BF257 - 0.81 PLN https://elecena.pl/product/248049/bf257 2007-03-01 BF257 - 2.00 PLN https://elecena.pl/product/248049/bf257 2008-09-01 BF257 - 1.60 PLN https://elecena.pl/product/248049/bf257 2011-07-25 BF257 - 1.20 PLN https://elecena.pl/product/248049/bf257 2012-05-04 BF257 - 1.50 PLN https://elecena.pl/product/248049/bf257 2012-09-09 BF257 - 2.00 PLN https://elecena.pl/product/248049/bf257 2014-07-22 BF257 - 3.00 PLN https://elecena.pl/product/248049/bf257 2017-02-25 BF257 - 2.20 PLN https://elecena.pl/product/248049/bf257 2020-05-01 BF257 - 2.50 PLN https://elecena.pl/product/248049/bf257 2022-07-27 BF257 - 3.00 PLN https://elecena.pl/product/248049/bf257 2025-03-05 BF257 - 4.00 PLN https://elecena.pl/product/248049/bf257 2025-03-24