Product Type: Heavy copperLay-Up Structure: 12 layersBase Material: S1000-2MFinished Board Thickness: 4.70 ± 0.30 mm.Finished Copper Thickness: 5 oz(inner layer), 6 oz(outer layer).Via Aspect Ratio: 11.75: 1, Pulse copper platingTrace Width/Space: 0.50/0.50mmMi. Drilled Hole: 0.40 mmCu Thickness. (Hole): 25 um (Min)Hi-Pot Test: 3500 V, ACSurface Treatment: Immersion goldTerminal Product: DC to DC converter