Marking of electronic components, SMD Codes QBx, QBx**. S-81230SG-QB, R5210N010C, MCP1316MT-29LE/OT, AAT3164IRN-T1, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| S-81230SG-QB | QBx | SOT-23-5 | |
| R5210N010C | QBxx | SOT-23-6W | |
| MCP1316MT-29LE/OT | QBxx | SOT-23-5 | |
| AAT3164IRN-T1 | QBxxx | TDFN34-16 |