LED Aluminium single side pcb, 1 layer led pcb ColorWhite, RGB etc. OEM choicesLife30,000-50,000 hoursCertificationUL, ... size0.25mmSurface finishHasl, immersion gold, OSP, ENIG etcSoldermask colorwhite, black etc LED Aluminium single side pcb, 1 layer led pcb: Material: Aluminium;Board ... Min.hole size: 0.25 mm;Surface finish: Hasl, Immersion gold, OSP, ENIG etc;Soldermask Color: White, Black etc We ...