SMD marking code “54” — 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 | |
|---|---|---|---|---|
| BAT17-04 | ROHM | SOT-23 | Public marking directory | |
| DTA114YE | MOT | SOT-416 | Public marking directory | |
| DTA114YKA | ROHM | SOT-346 | Public marking directory | |
| DTA114YUA | ROHM | — | Public marking directory | |
| R3111Q541B | RICOH* | SC-82AB | Public marking directory | |
| RN5RF54AA | RICOH* | SOT-23-5 | Public marking directory | |
| RN5RZ54AA | RICOH* | SOT-23-5 | Public marking directory | |
| ZMDC953TA | ZETEX | SOT-323 | Public marking directory | |
| CHDTC123EMPT | — | SOT-723 18ta - 3a Chm | Public marking directory | |
| DTA114YM | — | — | Public marking directory | |
| ELM9854BB | — | SOT-23 16cg VR1 3d Elm | Public marking directory | |
| HMSZ5254B | — | SOD-323 | Public marking directory | |
| TCMM5Z3V6 | — | SOD-523 | Public marking directory | |
| XC6221D421NR | — | SSOT-24 | Public marking directory | |
| ZD5254BS2 | — | SOD-323 | 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.
Can't match your marking?
Send us the code, package and a photo — our team helps identify the part.
Ask our team