Marking of electronic components, SMD Codes W18, W18**. BFP181TRW, BFP181TW, BFP181TW, STW18NK60Z, STW18NK80Z, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| BFP181TRW | W18 | Tfk | SOT-343R |
| BFP181TW | W18 | Tfk | SOT-343 |
| BFP181TW | W18 | SOT-343 | |
| STW18NK60Z | W18NK60Z | TO-247 | |
| STW18NK80Z | W18NK80Z | TO-247 |