... space: 4mil/4milSolder mask: RedSilkscreen: WhiteApplication: PCBA for the Internet of ThingsMin footprint: 0402Certificate: CE, Rosh, UL, ... space: 5mil/5milSolder mask: GreenSilkscreen: WhiteApplication: PCBA for the Internet of ThingsMin footprint: 0402Certificate: CE, Rosh, UL, ISO9001 ... . With 14 years of development, FASPCBA turns into a first class manufacturer of HDI PCB, with production ...