[elecena] LM2574M-5.0/NOPB - zmiany ceny IC Przetwornica DC/DC Buck Step-Down 5V 0,5A SO14W LM2574M-5.0/NOPB - 12.05 PLN https://elecena.pl/product/16333183/lm2574m-5-0-nopb 2020-02-27 LM2574M-5.0/NOPB - 14.76 PLN https://elecena.pl/product/16333183/lm2574m-5-0-nopb 2022-07-19 LM2574M-5.0/NOPB - 14.75 PLN https://elecena.pl/product/16333183/lm2574m-5-0-nopb 2022-08-22 LM2574M-5.0/NOPB - 16.11 PLN https://elecena.pl/product/16333183/lm2574m-5-0-nopb 2022-10-31 LM2574M-5.0/NOPB - 12.05 PLN https://elecena.pl/product/16333183/lm2574m-5-0-nopb 2024-12-09 LM2574M-5.0/NOPB - 9.95 PLN https://elecena.pl/product/16333183/lm2574m-5-0-nopb 2025-09-12