SMD marking code “MR” — 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 | |
|---|---|---|---|---|
| 1SMB40A | CSC CENTRAL SEMIC.CORP. | — | Public marking directory | |
| BD5235FVE | ROHM* | VSOF-5 | Public marking directory | |
| BD5235G | ROHM* | SSOP-5 | Public marking directory | |
| BF998W | INFINEON | SOT-143R | Public marking directory | |
| MT3S03AS | TOS | SOT-23 | Public marking directory | |
| MT4S03A | TOS* | SOT-143 | Public marking directory | |
| P6SMB75A | ON | DO-214AA | Public marking directory | |
| P6SMBJ40A | LITTLE* | DO-214AA | Public marking directory | |
| SM6T30CA | ST | DO-214AA | Public marking directory | |
| XC61119N32ANR-G | TOREX* | SSOT-24 26gh VD1 5c Tor | Public marking directory | |
| XC6119N32ANR | TOREX* | SSOT-24 | Public marking directory | |
| ZVP3310F | ZETEX | SOT-23 | Public marking directory | |
| CD214B-T40A | — | DO-214AA | Public marking directory | |
| HR1L3N | — | SOT-89 | Public marking directory | |
| KRC282U | — | SOT-323 16ta - 3f Kec | Public marking directory | |
| PT7M6243NLC4 | — | SC-70-4 | Public marking directory | |
| PT7M6243NLC4E | — | SC-70-4 | Public marking directory | |
| R1122N351A | — | SOT-23-5 | Public marking directory | |
| TV06B400J | — | DO-214AA | Public marking directory | |
| XC6109N22AN | — | SSOT-24 | Public marking directory | |
| XC6120N22N | — | SSOT-24 | Public marking directory | |
| XC6127N40KNR | — | 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.
Can't match your marking?
Send us the code, package and a photo — our team helps identify the part.
Ask our team