| SMD Code | Package | Device Name | Manufacturer | Data | Datasheet |
|---|---|---|---|---|---|
| 2X | SOT-23 | KST4401 | Fairchild | NPN Epitaxial Silicon Transistor |  |
| 2X | SOT-23 | MMBT4401 | Fairchild | NPN General Pupose Transistor | |
| 2X | SOT-23 | MMBT4401 | Galaxy | NPN Silicon Epitaxial Planar Transistor | |
Marking SMD, SMD Codes 2X.
Datasheets KST4401, MMBT4401.
Datasheets KST4401, MMBT4401.
