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Marking of electronic components, SMD Codes R03B, R03B**. LM4130BIM5-2.5, R5510H003B, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| LM4130BIM5-2.5 | R03B | SOT23-5 | |
| R5510H003B | R03Bxx | SOT-89-5 |