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Marking of electronic components, SMD Codes B1, B1**. AAT1274IWO-T1, KSC2715, KSC2715-Y, MP1556DJ, RT9169-12PV, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| AAT1274IWO-T1 | B1xxx | TDFN33-14 | |
| KSC2715 | B1Y | SOT-23 | |
| KSC2715-Y | B1Y | Sam | SOT-23 |
| MP1556DJ | B1YW | SOT23-5 | |
| RT9169-12PV | B1 | Rct | SOT-23 |