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Marking of electronic components, SMD Codes R19, R19**. TK11119CS, TK11219CM, TK11219UM, LM4121AIM5-1.2, LM4121IM5-1.2, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| TK11119CS | R19 | SOT23-5 | |
| TK11219CM | R19 | SOT23L-6 | |
| TK11219UM | R19 | SOT89-5 | |
| LM4121AIM5-1.2 | R19A | SOT23-5 | |
| LM4121IM5-1.2 | R19B | SOT23-5 | |
| R5510H019C | R19Cxx | SOT-89-5 |