SMD marking code “SEC” — candidate parts

19 candidates6 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
1SMA26CAONPublic marking directory
NCP300LSN30T1ONSOT-23-5Public marking directory
Y15DIODESSOD-523Public marking directory
Y16DIODESSOD-523Public marking directory
Y17DIODESSOD-523Public marking directory
Z17VNECSOD-123FPublic marking directory
W11DO-214ABPublic marking directory
W21DO-214ABPublic marking directory
W31DO-214ABPublic marking directory
Y11SOD-523Public marking directory
Y12SOD-523Public marking directory
Y13SOD-523Public marking directory
Y14SOD-523Public marking directory
Z11SMAPublic marking directory
Z12SMAZ12Public marking directory
Z13SMAPublic marking directory
Z14VSOD-123FPublic marking directory
Z15SMAZ15Public marking directory
Z16SMAZ16Public 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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