KiCad board stackup editor parameters for JLCPCB, with dielectric constants and thicknesses reverse-engineered from the SI9000 field solver inputs embedded in the JLCPCB impedance calculator.
| Id | Type | Material | Thickness | Color | Epsilon R | Loss Tan |
|---|---|---|---|---|---|---|
| F.Silkscreen | Top Silk Screen | Not specified | Not specified | |||
| F.Paste | Top Solder Paste | |||||
| F.Mask | Top Solder Mask | Not specified | 0.02032 mm | Not specified | 3.8 | 0 |
| F.Cu | Copper | 0.03556 mm | ||||
| Dielectric 1 | Core | FR4 | 1.48824 mm | Not specified | 4.05 | 0.02 |
| B.Cu | Copper | 0.03556 mm | ||||
| B.Mask | Bottom Solder Mask | Not specified | 0.02032 mm | Not specified | 3.8 | 0 |
| B.Paste | Bottom Solder Paste | |||||
| B.Silkscreen | Bottom Silk Screen | Not specified | Not specified |