[elecena] STK3102II - zmiany ceny STK 3102II VOLTAGE REGULATOR = STK3102 MK2 CASE: SIL-15 = STK3102III STK3102II - 25.90 EUR https://elecena.pl/product/16840053/stk3102ii 2020-05-13 STK3102II - 16.89 EUR https://elecena.pl/product/16840053/stk3102ii 2026-07-19