SMD marking code “UD” — candidate parts

20 candidates8 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
2SC2821-DTOS*SOT-23 16ta - 3a RenPublic marking directory
2SC3931-DPANASONIC*SC-70Public marking directory
3SK127TOSSOT-143Public marking directory
BCR151L3INFINEON*—Public marking directory
BD45271GROHM*SSOP-5Public marking directory
R1114Q331DRICOH*SOT-143RPublic marking directory
SM4T18CST*SOD-6Public marking directory
US1DGSIDO-214ACPublic marking directory
2SC2404-D—SC-59Public marking directory
2SC4627-D—SC-75Public marking directory
FUES1D—DO-214ACPublic marking directory
KDS114—SOD-323Public marking directory
KDS114E—SOD-523Public marking directory
KDV175—SOD-323Public marking directory
KDV175E—SOD-523Public marking directory
P4SMAJ12C—DO-214ACPublic marking directory
R5323N024B—SOT-23-6Public marking directory
XC6127C22JNR—SSOT-24Public marking directory
XC6215B442NR—SSOT-24Public marking directory
XC6223E23BNR-G—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.

* Manufacturer derived from the part-number family (some directory entries carry no manufacturer) — treat it as a lead, not a datasheet fact.

Other marking codes starting with “U”

UB19 partsU117 partsU215 partsU315 partsU415 partsU615 partsUC15 partsUE15 partsUF14 partsU513 partsU713 partsUA13 parts

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