专业生产三极管,三端稳压IC,光耦817.:TO-92.SOT-23.SOT-89.封装!
TL431.78L05.78L06.78L09.78L12.78L15.
13001.13003.B772.D882.B649.S9012.S9014.S9015.
BPC817A.BPC817B.BPC817C.BPC817D.
OPC817.ORPC817B.ORPC817BCORPC817D.