IRFP250MPBF-OLD IRFP250N IRFP250N 其他被动元件 IRFP250NPBF IRFP250NPBF C IRFP250NPBF IC IRFP250NPBF M IRFP250NPBF MOS(场效应管) IRFP250NPBF MOSFET或IGBT IRFP250NPBF(ROHS)