STP15NK50Z STP15NK50Z MOS(场效应管) STP15NK50ZFP STP15NK50ZFP P15NK50ZFP STP15NK50ZFP TK15A50D STP15NK50ZFP 其他被动元件 STP15NK50ZFP,15NK50 STP15NK60ZFP STP15NK80ZFP STP15NK90ZFP