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Marking of electronic components, SMD Codes K21D, K21D**. TS421-8IQT, TS421-8IST, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| TS421-8IQT | K21D | DFN8 | |
| TS421-8IST | K21D | MiniSO-8 |