SMD marking code “N1” — 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 | |
|---|---|---|---|---|
| BFG505W/X | PHI | SOT-343 | Public marking directory | |
| BFR53 | PHI | SOT-23 | Public marking directory | |
| CMOZ6L2 | CSC CENTRAL SEMIC.CORP. | SOD-523 | Public marking directory | |
| DDTC143ZUA | DIODES | — | Public marking directory | |
| FCX491 | ZETEX | SOT-89 | Public marking directory | |
| ILC5061IC31X | FSC* | SC-70 | Public marking directory | |
| ILC5061M31X | FSC | SOT-23 | Public marking directory | |
| MMBF201N | MOT | SOT23 | Public marking directory | |
| MMBT100 | FSC | — | Public marking directory | |
| MRF571 | MOT | SOT416 | Public marking directory | |
| PESD3V3S1UB | NXP | SOD-523 | Public marking directory | |
| R1121N411A | RICOH* | SOT-23-5 | Public marking directory | |
| R3111N512C | RICOH* | SOT-23 | Public marking directory | |
| R3111Q311A | RICOH* | SC-82AB | Public marking directory | |
| R3116Q281A | RICOH* | SC-82AB | Public marking directory | |
| RN5RY511A | RICOH* | SOT-23-5 | Public marking directory | |
| TC1185-2.5VRX | MIC* | SOT-23-5 | Public marking directory | |
| TC54VN3102ECB | MIC* | SOT-23 | Public marking directory | |
| TC54VN3102MB | MIC* | SOT-89 | Public marking directory | |
| TN0201T | VISHAY SILICONIX | SOT-23 | Public marking directory | |
| AP139-18TW | — | — | Public marking directory | |
| AP139-18W | — | SOT-23-5L | Public marking directory | |
| BZX384-B36 | — | SOD-323 | Public marking directory | |
| D71F2T1 | — | SOT-89 | Public marking directory | |
| ELM7641LAB | — | SOT-23 16vdc VD7 3d Elm | Public marking directory | |
| MMSZ5261 | — | SOD-123 | Public marking directory | |
| MMSZ5261B | — | SOD-123 | Public marking directory | |
| R1100D211C | — | — | Public marking directory | |
| R1131D211B | — | — | Public marking directory | |
| R3130N44DC | — | SOT-23 | Public marking directory | |
| R5323N002B | — | SOT-23-6 | Public marking directory | |
| RP104Q131C | — | SC-82AB | Public marking directory | |
| RT1N137P | — | SOT-89 | Public marking directory | |
| RT1N141C | — | SC-59 | Public marking directory | |
| RT1N141M | — | SC-70 | Public marking directory | |
| RT1N141T | — | — | Public marking directory | |
| RT1N141U | — | SC-75A | Public marking directory | |
| XC6120N31N | — | SSOT-24 | Public marking directory | |
| XC61CN3102M | — | SOT-23 | Public marking directory | |
| XC61CN3102N | — | SOT-143R | Public marking directory | |
| XC61CN3102P | — | SOT-89 | Public marking directory | |
| XC6GN3102HR | — | 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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