SPX2940T SPX2940T-1.8 SPX2940T-2.5 SPX2940T-3.3 SPX2940T-3.3 MOS(场效应管) SPX2940T-5.0 SPX2940T-5.0/TR SPX2940T-50 SPX2940T-5-0/TR SPX2940T-L-1-8