[elecena] BF421 - zmiany ceny BF 421 TRANSISTOR SILICON PNP / 300V / 0.1A / 0.83W TRANSISTOR = BF 423 = BF 421L = 2SA639 = 2SA1091 CASE: TO-92 BF421 - 1.90 EUR https://elecena.pl/product/16833960/bf421 2020-05-13 BF421 - 1.99 EUR https://elecena.pl/product/16833960/bf421 2024-04-27