SMD marking code “9X” — candidate parts

7 candidates1 with manufacturer

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 numberManufacturerPackageMapping basis
BZT52C39SDIODES—Public marking directory
MM1Z6V8B—SOD-123Public marking directory
R1210N491C—SOT-23-5Public marking directory
XC6127C49ENR—SSOT-24Public marking directory
XC6127N49KNR—SSOT-24Public marking directory
XC6221A281N—SSOT-24 26vn VR4 5a TorPublic marking directory
XC6221A281NR—SSOT-24Public 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.

Can't match your marking?

Send us the code, package and a photo — our team helps identify the part.

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