Marking code search for "YB4", search YB4 found 3 records.

Marking of electronic components, SMD Codes YB4, YB4**. FYV0203DS, TS5N412DBQR, TS5N412PWR, ic marking code.

PartNumber	Marking code	Package
FYV0203DS	YB4	SOT-23
TS5N412DBQR	YB412	QSOP-16
TS5N412PWR	YB412	TSSOP-16