Marking of electronic components, SMD Codes T4xx, T4xx**. R1121N441B, R3130N30HA8, TC1271SERCTR, APX824-40W5, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| R1121N441B | T4xx | SOT-23-5 | |
| R3130N30HA8 | T4xx | SOT-23-3 | |
| TC1271SERCTR | T4xx | SOT-143 | |
| APX824-40W5 | T4xxx | SOT25 |