Because the dielectric breakdown voltage (DBV) in all common PCB materials is generally ) t s% R- ?! W' |, z8 O1000 V/mil or higher, dielectric failure between power and ground planes is not a , R: p2 Q/ W/ P5 j/ a; U7 bconcern for typical electronic applications where the voltage requirement is usually/ l" i- Q y1 k: m9 m8 e
12 V and lower.