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 number | Manufacturer | Package | Mapping source | |
|---|---|---|---|---|
| 1SMA26CA | ON | — | PDF · smd-codes.pdf p.153 | |
| NCP300LSN30T1 | ON | SOT-23-5 | PDF · smd-codes.pdf p.952 | |
| Y15 | DIODES | SOD-523 | PDF · smd-codes.pdf p.172 | |
| Y16 | DIODES | SOD-523 | PDF · smd-codes.pdf p.172 | |
| Y17 | DIODES | SOD-523 | PDF · smd-codes.pdf p.172 | |
| Z17V | NEC | SOD-123F | PDF · smd-codes.pdf p.175 | |
| W11 | — | DO-214AB | PDF · smd-codes.pdf p.163 | |
| W21 | — | DO-214AB | PDF · smd-codes.pdf p.163 | |
| W31 | — | DO-214AB | PDF · smd-codes.pdf p.163 | |
| Y11 | — | SOD-523 | PDF · smd-codes.pdf p.171 | |
| Y12 | — | SOD-523 | PDF · smd-codes.pdf p.171 | |
| Y13 | — | SOD-523 | PDF · smd-codes.pdf p.171 | |
| Y14 | — | SOD-523 | PDF · smd-codes.pdf p.171 | |
| Z11 | — | SMA | PDF · smd-codes.pdf p.174 | |
| Z12 | — | SMAZ12 | PDF · smd-codes.pdf p.174 | |
| Z13 | — | SMA | PDF · smd-codes.pdf p.174 | |
| Z14V | — | SOD-123F | PDF · smd-codes.pdf p.174 | |
| Z15 | — | SMAZ15 | PDF · smd-codes.pdf p.174 | |
| Z16 | — | SMAZ16 | PDF · smd-codes.pdf p.174 |
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.
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