SMD marking code “E1” — 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 | |
|---|---|---|---|---|
| 1PS88SB82 | PHI* | SC-88 | Public marking directory | |
| BFS17L | ZETEX | SOT-23 | Public marking directory | |
| BFS17W | NXP | SOT-323 | Public marking directory | |
| BZX585-B6V2 | PHI | SOD-523 | Public marking directory | |
| HSMP-3811 | HP | SOT23 | Public marking directory | |
| MMBZ5231B | FS | SOT-23 | Public marking directory | Request quote |
| MMBZ5231BW | DIODES | SOT-323 | Public marking directory | |
| MMSZ5231B | FSC | SOD-123 | Public marking directory | |
| MMSZ5231BS | DIODES | SOD-323 | Public marking directory | |
| MMSZ5231BS | DIODES | — | Public marking directory | |
| MMSZ5232B | DIODES | — | Public marking directory | |
| MMSZ5232B | MCC | SOD-123 | Public marking directory | |
| MMXZ5232B | MCC | SOD-323 | Public marking directory | |
| R3111N412A | RICOH* | SOT-23 | Public marking directory | |
| R3114Q481A | RICOH* | SC-82AB | Public marking directory | |
| TC1072-2.5VCH | MIC* | SOT-23-6 | Public marking directory | |
| TC54VC4102ECB | MIC* | SOT-23 | Public marking directory | |
| TC54VC4102MB | MIC* | SOT-89 | Public marking directory | |
| TC7S00F | TOS | SOT-353 | Public marking directory | |
| TC7S00FU | TOS | SOT-353 | Public marking directory | |
| 2SA1737 | — | SOT-89 | Public marking directory | |
| B1/B2 | — | — | Public marking directory | |
| C1/C2 | — | — | Public marking directory | |
| ELM9741NAB | — | SOT-89 | Public marking directory | |
| R1180Q211C | — | SC-82AB | Public marking directory | |
| R3130N29EC3 | — | SOT-23 | Public marking directory | |
| RD74LVC1G00WPE | — | — | Public marking directory | |
| RN5VD41AA | — | SOT-23-5 | Public marking directory | |
| RT9167-16CB | — | SOT-23-5 | Public marking directory | |
| Si91842DT-50 | — | SOT-23-5 | Public marking directory | |
| XC61CC4102M | — | SOT-23 | Public marking directory | |
| XC61CC4102N | — | SOT-143R | Public marking directory | |
| XC61CC4102P | — | SOT-89 | Public marking directory | |
| XC6221A32BN | — | SSOT-24 26vn VR4 5a Tor | Public marking directory | |
| XC6221A32BNR | — | SSOT-24 | Public marking directory | |
| XC6GC4102HR | — | 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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