... PCB for 3 LEDs with countersinks 1L, TCP-1000, 1.5mm, 35um, White solder mask, Lead Free HASL SERIALITEMTECHNICAL DATA1Layers1-16 ... , 2oz, 3oz, 4oz, 5oz (18-175um)5working panel size12" x 13" ~ 21" x 24"6Min. drill size(finished)8mil (0.2mm)7Hole diameter ... abrasion≥6H24Electric strength>1.3KV/mm25Peel Strength1.4N/mm26Thermal Shock3 x 10Sec@288ºC 3W PCB for 3 LEDs with countersinks ...