SMD marking code “R37” — 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 | |
|---|---|---|---|---|
| 2SC4094-37 | NEC* | SOT-143 | Public marking directory | |
| 2SC4094R | NEC | SOT143 | Public marking directory | |
| 2SC4094RC-G | NEC* | SOT-143 | Public marking directory | |
| 2SC5012 | NEC | SOT343 | Public marking directory | |
| 2SC5012-FB | NEC* | SOT-343 | Public marking directory | |
| NE68118-FB | NEC* | SOT-343 | Public marking directory | |
| NE68139-37 | NEC* | SOT-143 | Public marking directory | |
| NE68139R-G | NEC* | SOT-143 | Public marking directory | |
| XC61FN5352M | — | SOT-23 | Public marking directory | |
| XC61FN5352P | — | SOT-89 | Public marking directory | |
| XC61HN5352MR | — | SOT-23 16vdc VD6 3d Tor | 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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