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Marking of electronic components, SMD Codes 640, 640**. TK11640N, TK11640NT, FMS6403MTC20X, MCP6404-E/ST, FMS6406CS, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| TK11640N | 640 | TO-92 | |
| TK11640NT | 640 | TO-92N | |
| FMS6403MTC20X | 6403 | TSSOP-20 | |
| MCP6404-E/ST | 6404E | TSSOP-14 | |
| FMS6406CS | 6406 | SOIC-8 | |
| R1114N401D | 640xx | SOT-23-5 |