Marking of electronic components, SMD Codes D1xxx, D1xxx**. AAT1409IMK-T1, AP131-42W, AP431SAG-7, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| AAT1409IMK-T1 | D1xxx | AAT | TQFN34-24 |
| AP131-42W | D1xxx | ANACHIP | SOT23-5 |
| AP431SAG-7 | D1xxx | ZETEX | SOT23 |