0,93 € 10pcs/lot New Original Upright Triode K2231 2SK2231 TO-251 In Stock 10pcs/lot New Original Upright Triode K2231 2SK2231 TO-251 In Stock 0,93 € Aliexpress EU - Consumer_Electronics Comprare Cronologia dei prezzi 20 set 2023 0,93 €