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Marking of electronic components, SMD Codes U3xx, U3xx**. AAT1278IUP-T1, TC74A3-5.0VCT, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| AAT1278IUP-T1 | U3xx | CSP-12 | |
| TC74A3-5.0VCT | U3xx | SOT-23-5 |