[elecena] ST3897euhf ST3897euhf - zmiany ceny Step-Up Synchr. DC-DC Controller w/ I/O prot., Vin 4.5÷65V, Vout ADJ, -40÷125°C ST3897euhf ST3897euhf - 33.91 PLN https://elecena.pl/product/23436551/st3897euhf-st3897euhf 2023-05-12 ST3897euhf ST3897euhf - 30.87 PLN https://elecena.pl/product/23436551/st3897euhf-st3897euhf 2025-09-04