SMD marking code “WY” — candidate parts
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 basis | |
|---|---|---|---|---|
| 2SC2859-GR | TOS* | SC-59 16ta - 3a Tos | Public marking directory | |
| 2SC2859-Y | TOS | SOT-23 | Public marking directory | |
| 2SC3915 | PANASONIC* | SOT-23 | Public marking directory | |
| 2SC4118-Y | TOS | SOT-323 | Public marking directory | |
| BCR139L3 | INFINEON | — | Public marking directory | |
| BD46442G | ROHM* | SSOP-5 | Public marking directory | |
| BZT52-C2V0S | LI-SIONTECHNOLOGYINC | SOD-323 | Public marking directory | |
| BZT52C2V0S | DIODES | — | Public marking directory | |
| BZT52C2V0T | DIODES | SOD-523 | Public marking directory | |
| BZT52C2V0T | DIODES | — | Public marking directory | |
| BZT52C2V4 | DIODES | — | Public marking directory | |
| BZX284-B6V2 | PHI | SOD-110 | Public marking directory | |
| BZX284-B6V2 | PHI | SOD110 | Public marking directory | |
| BZX384-C43 | PHI | SOD-323 | Public marking directory | |
| 2SA1483-Y | — | SOT-89 | Public marking directory | |
| 2SJ484 | — | SOT-89 | Public marking directory | |
| BZT52-C2V0 | — | SOD-123 | Public marking directory | |
| BZT52-C43 | — | SOD-123 | Public marking directory | |
| KTA1666-Y | — | SOT-89 | Public marking directory | |
| KTC3876S-Y | — | SOT-23 | Public marking directory | |
| MM3Z2V0 | — | SOD-323 | Public marking directory | |
| P4SMAJ100C | — | DO-214AC | Public marking directory | |
| TV04A110KB | — | DO-214AC | Public 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.
* Manufacturer derived from the part-number family (some directory entries carry no manufacturer) — treat it as a lead, not a datasheet fact.
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