Custom Black Solder Mask Double-Sided HASL PCB – FR-4 Circuit Board
This double-sided FR-4 PCB pairs a sleek black LPI solder mask with a lead-free HASL finish. Fine-line circuitry down to 4/4 MIL, ≥20 μm hole wall copper and 100% electrical testing deliver stable, repeatable performance for demanding audio and industrial designs.
Key Features
- Double-sided design with plated through-holes and ≥20 μm hole wall copper
- Lead-free HASL finish for excellent solderability and shelf life
- Fine-line capability down to 0.1/0.1 mm (4/4 MIL) for dense layouts
- 100% AOI + electrical test; RoHS-compliant, lead-free, halogen-free and sulfur-free
Technical Specifications
| Base Material | FR-4 (Tg 150–170 available) |
| Layer Count | 2 (double-sided) |
| Board Thickness | 1.6 mm (0.8–2.0 mm customizable) |
| Copper Thickness | 1 oz (2–6 oz heavy copper available) |
| Min. Line Width / Spacing | 0.1/0.1 mm (4/4 MIL) |
| Min. Hole Diameter | 0.2 mm |
| Hole Wall Copper | ≥20 μm |
| Solder Mask | Black LPI |
| Silkscreen | White |
| Quality Standard | IPC Class 2 |
| Certification | ISO 9001, RoHS |
Applications
Audio and video equipment, industrial control, instrumentation, power supplies and consumer electronics.
Custom dimensions, copper weights and panelization are supported. Send your Gerber files for a fast quotation.
