AISLER’s PCB Design Rules
Last Updated: 13/05/2024
Design Rules
The Design Rules for the individual PCB configurations can be found here:
- 2 Layer 1.6mm HASL Design Rules (2 Layer Blitz/ Budget)
- 2 Layer 1.6mm ENIG Design Rules (2 Layer HD)
- 4 Layer 1.6mm ENIG Design Rules (4 Layer HD)
- 4 Layer 0.8mm ENIG Design Rules (4 Layer 0.8mm Blitz/Budget)
2 Layer PCB Surface Finish
We offer 2 Layer PCBs with an option of HASL and ENIG as surface finish, if you use small drills, castellated edges or small trace width/spacing it is required to choose ENIG as surface finish.
| feature | HASL allowed | ENIG required |
|---|---|---|
| min. drill diameter | ≥ 0.3 mm | ≥ 0.25 mm |
| contains castellated holes |  |
 |
| min. trace width/spacing | 200 µm/150 µm | 125 µm/125 µm |