Marking SMD, SMD Codes 2Y4, 2Y7.

Datasheets BZV49-C2V4, BZV49-C2V7.
SMD CodePackageDevice NameManufacturerDataDatasheet
2Y4SOT89BZV49-C2V4NXP SemiconductorsVoltage regulator diodeDownload datasheet
2Y7SOT89BZV49-C2V7NXP SemiconductorsVoltage regulator diodeDownload datasheet