SMD marking code “K3R” — candidate parts

5 candidates5 with manufacturer

Small packages rarely print the full part number. The marking below maps to these part numbers — verify against the package, pin count and the manufacturer's datasheet before ordering.

Candidate part numbers

Part numberManufacturerPackageMapping basis
DZ23C10DIODESPublic marking directory
MMBTH10DIODESPublic marking directory
MMSTA92DIODESSC-59Public marking directory
MMSZ5221BDIODESPublic marking directory
MMSZ5221BMCCSOD-123Public marking directory

How these mappings are compiled: from public SMD marking directories and from our own stock records (marked Stock-record verified). We keep the original reference of every row internally so any mapping can be traced on request.

Markings are indicative only: the same code can denote different parts across manufacturers and packages. Always confirm with the physical batch marking and the original datasheet.

Can't match your marking?

Send us the code, package and a photo — our team helps identify the part.

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