Wu Zhou single-sided PCB with carbon keypad

Wu Zhou Circuit Group Ltd has developed the PCB 2 single-sided PCB with carbon keypad. Featuring a solder mask abrasion of >5H, the PCB has a >1.4N/mm anti-stripping strength, 94Vo flammability, and 10V to 250V testing voltage.

Minimum line width and line spacing is 0.1mm, and minimum hole diameter is 0.2mm. With a board thickness of 0.2mm to 3mm, the product features a PTH wall thickness of >0.025mm, PTH hole diameter tolerance of ±0.076mm, and non-PTH hole diameter tolerance of ±0.05mm.

Offering a maximum board size of 609-by-609mm, the single-sided PCB has a hole position tolerance of ±0.076mm, outline tolerance of ±0.15mm, and hole resistance of <300 ohms.