[elecena] Single operational amplifier, SOIC-8, OPA137UA - zmiany ceny Single operational amplifier, SOIC-8, OPA137UA - 2.49 EUR https://elecena.pl/product/29962752/single-operational-amplifier-soic-8-opa137ua 2026-03-15 Single operational amplifier, SOIC-8, OPA137UA - 2.74 EUR https://elecena.pl/product/29962752/single-operational-amplifier-soic-8-opa137ua 2026-08-03