SMD marking code “K4N” — candidate parts

9 candidates9 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
DXTA42DIODESPublic marking directory
MMBT5551FSSOT-23Public marking directory
MMBT6427DIODESPublic marking directory
MMDT5551DIODESSOT-363Public marking directory
MMDTA42DIODESPublic marking directory
MMS8050MCCSOT-23Public marking directory
MMST5551DIODESSOT-323Public marking directory
MMST6427DIODESPublic marking directory
MMSTA42MCCSOT-323Public 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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