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Marking of electronic components, SMD Codes MJxxx, MJxxx**. Si3993CDV, MCP111T-300E/MB, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| Si3993CDV | MJxxx | TSOP-6 | |
| MCP111T-300E/MB | MJxxxx | SOT-89 |