Product Model: Automotive Control System PCBA PCB Layers: Up to 12 Layers Substrate: High TG FR-4 / TG170 FR-4 Surface Finish: Lead-free HASL / Immersion Gold Gold Thickness: 2U–5U Solder Mask Color: Green, Customized Available Copper Weight: 0.5oz–6oz / 0.5oz–5oz PCB Base Color: Green, Black, White, Red, Blue PCB Testing: Supported PCBA Testing: Supported Application: Automotive & Electronic Products