SMD marking code “A3” — 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 | |
|---|---|---|---|---|
| 1N4448W | DIODES | SOD-123 | Public marking directory | |
| 1N4448WS | FSC | SOD-323 | Public marking directory | |
| 1PS300 | NXP | SC-70 | Public marking directory | |
| 1PS300 | PHI | SC70 | Public marking directory | |
| 1SS181 | MCC | SC-59 | Public marking directory | |
| 1SS181 | MCC | SOT-23 | Public marking directory | |
| 1SS300 | TOS | SOT-323 | Public marking directory | |
| 1SS306 | TOS | SOT-143 | Public marking directory | |
| 1SS360 | TOS | SOT-23 | Public marking directory | |
| BAP64-03 | PHI | SOD-323 | Public marking directory | |
| BAS16 | FSC | SOT-23 | Public marking directory | |
| BAT17 | NXP | SOT23 | Public marking directory | |
| BZX79-A2V7 | PHI | SOD27 (DO35) | Public marking directory | |
| HSMS-2803 | HP | SOT-23 | Public marking directory | |
| MBT3906DW | MOT | SOT-363 | Public marking directory | |
| MC2832 | MOT* | SC-59 | Public marking directory | |
| MMBD1005 | MOT | SOT-23 | Public marking directory | |
| MMBD4448 | FS | SOT-23 | Public marking directory | |
| MMBD4448HT | DIODES | SOT-523 | Public marking directory | |
| MMBD4448HTA | DIODES | — | Public marking directory | |
| MMSZ12 | ON* | SOD-123 | Public marking directory | |
| R3113D131A | RICOH* | — | Public marking directory | |
| R3114Q101A | RICOH* | SC-82AB | Public marking directory | |
| RT9161-33CX | RICHTEK | SOT-89 | Public marking directory | |
| TC1014-3.0VRX | MIC* | SOT-23-5 | Public marking directory | |
| 1S2835 | — | SOT-23 | Public marking directory | |
| 1SS360F | — | SOT-23F | Public marking directory | |
| A2/K3 | — | — | Public marking directory | |
| AFP2 | — | — | Public marking directory | |
| AP431AQ | — | SOT-23-5 | Public marking directory | |
| BGA2003 | — | SOT-143 | Public marking directory | |
| BZX884-B3V0 | — | SOD-882 | Public marking directory | |
| ELM9823AB | — | SOT-89 | Public marking directory | |
| FSS14 | — | DO-214AC | Public marking directory | |
| HSMS-280E | — | SOT-323 | Public marking directory | |
| MC2842 | — | SC-70 | Public marking directory | |
| MC2852 | — | SC-90 | Public marking directory | |
| R1111N231A | — | SOT-23-5 | Public marking directory | |
| R1180Q131B | — | SC-82AB | Public marking directory | |
| RT9161-19CV | — | SOT-23 | Public marking directory | |
| Si2303DS | — | SOT-23 | Public marking directory | |
| XC6224A111NR | — | SSOT-24 | 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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