SPX3819M5/TR SPX3819M5-1.2 SPX3819M5-1.2 其他被动元件 SPX3819M5-1.2/TR SPX3819M5-1.5 SPX3819M5-1.5/TR SPX3819M5-1.8 SPX3819M5-1.8/TR SPX3819M5-1.8TR SPX3819M5-1-2