Because the dielectric breakdown voltage (DBV) in all common PCB materials is generally # Q& O6 g; |) R! H1000 V/mil or higher, dielectric failure between power and ground planes is not a% O* y1 c4 e. z3 C5 [
concern for typical electronic applications where the voltage requirement is usually % P9 \ U8 o+ W& }7 Z7 Y12 V and lower.