SMD marking code “M1” — 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 | |
|---|---|---|---|---|
| 2SC5066-O | TOS | SC-70 | Public marking directory | |
| BFR30 | PHI | SOT-23 | Public marking directory | |
| BZX384-B13 | NXP | SOD-323 | Public marking directory | |
| CMOZ2L4 | CSC CENTRAL SEMIC.CORP. | SOD-523 | Public marking directory | |
| MMBZ5256B | FSC | SOT-23 | Public marking directory | |
| MMBZ5256BW | DIODES | SOT-323 | Public marking directory | |
| MMSZ5256B | MCC | SOD-123 | Public marking directory | |
| MMSZ5256BS | DIODES | SOD-323 | Public marking directory | |
| MMSZ5256BS | DIODES | — | Public marking directory | |
| MMSZ5257B | DIODES | — | Public marking directory | |
| MMXZ5257B | MCC | SOD-323 | Public marking directory | |
| R1121N311A | RICOH* | SOT-23-5 | Public marking directory | |
| R3111N412C | RICOH* | SOT-23 | Public marking directory | |
| R3111Q211A | RICOH* | SC-82AB | Public marking directory | |
| R3116Q181A | RICOH* | SC-82AB | Public marking directory | |
| RN5RG51AA | RICOH* | SOT-23-5 | Public marking directory | |
| RN5RY411A | RICOH* | SOT-23-5 | Public marking directory | |
| TC54VN2102ECB | MIC* | SOT-23 | Public marking directory | |
| TC54VN2102MB | MIC* | SOT-89 | Public marking directory | |
| BAP27-01 | — | SOD-723A | Public marking directory | |
| D70F2T1 | — | SOT-89 | Public marking directory | |
| ELM7631LAB | — | SOT-23 16vdc VD7 3d Elm | Public marking directory | |
| MAS3781 | — | SSSMini3-F1 18dc - 3a Pan | Public marking directory | |
| MMSZ5256 | — | SOD-123 | Public marking directory | |
| R1100D111C | — | — | Public marking directory | |
| R1131D111B | — | — | Public marking directory | |
| R1151N002C | — | SOT-23-6 | Public marking directory | |
| R3130N44BC | — | SOT-23 | Public marking directory | |
| RP104Q281B5 | — | SC-82AB | Public marking directory | |
| RT9168A-16CBR | — | SOT-23-5 | Public marking directory | |
| XC61CN2102M | — | SOT-23 | Public marking directory | |
| XC61CN2102N | — | SOT-143R | Public marking directory | |
| XC61CN2102P | — | SOT-89 | Public marking directory | |
| XC6GN2102HR | — | USP-3 | 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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