Because the dielectric breakdown voltage (DBV) in all common PCB materials is generally ' m7 C0 ]/ A2 h# b8 Y1000 V/mil or higher, dielectric failure between power and ground planes is not a! u- k; f. ^3 W4 X w9 M9 R7 ^% D
concern for typical electronic applications where the voltage requirement is usually " l: v3 g& [. l( n1 S [& u12 V and lower.