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Marking of electronic components, SMD Codes R1A, R1A**. ADR391ART, ADR391AUJZ, SST3904, UMT3904, LM4041AIM3X-1.2, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| ADR391ART | R1A | RT-5 | |
| ADR391AUJZ | R1A | UJ-5 | |
| SST3904 | R1A | SST3 | |
| UMT3904 | R1A | UMT3 | |
| LM4041AIM3X-1.2 | R1A | MF03A | |
| STTH1R02A | R1A | SMA | |
| MMST3904 | R1A | SMT3 | |
| LM4041AIM3-1.2 | R1A | SOT23,MF03A | |
| XC6118C41AGR-G | R1A | Tor | USP-4 |
| UMT3904 | R1A | Rhm | SOT-323 |