1SMA5940BT3G ON丝印840B 稳压二极管 43V DO-214AC/SMA 1N5940
1N5940B_R2_00001《SILICON ZENER DIODE》
MHW1254LC配单EP3C16Q240C8开票1N5940BRLG IC
1N5939C 1N5938C 1N5940C 1N5941C 1N5942C 1N5943C 1N5952C 正品