SPX3819M5-L-2.5/TR全系列 SPX3819M5-L-2.7/TR SPX3819M5-L-2.8 SPX3819M5-L-2.8/TR SPX3819M5-L-2-5 SPX3819M5-L-2-5(MS) SPX3819M5-L-2-5/MTR SPX3819M5-L-2-5/TR SPX3819M5-L-2-5/TR IC SPX3819M5-L-2-8(MS)