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
1SMA26CAON—Public marking directory
NCP300LSN30T1ONSOT-23-5Public marking directory
Y15DIODESSOD-523Public marking directory
Y16DIODESSOD-523Public marking directory
Y17DIODESSOD-523Public marking directory
Z17VNECSOD-123FPublic marking directory
W11—DO-214ABPublic marking directory
W21—DO-214ABPublic marking directory
W31—DO-214ABPublic marking directory
Y11—SOD-523Public marking directory
Y12—SOD-523Public marking directory
Y13—SOD-523Public marking directory
Y14—SOD-523Public marking directory
Z11—SMAPublic marking directory
Z12—SMAZ12Public marking directory
Z13—SMAPublic marking directory
Z14V—SOD-123FPublic marking directory
Z15—SMAZ15Public marking directory
Z16—SMAZ16Public 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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