Faqs / Do you recommend a specific hole and pad ratio?

There are many factors to be considered including the hole type, size, board thickness, finish type.About the a specific hole and pad ratio ,for these normal through hole pads, we have the following values which are commonly referred. Hole/pad size in mm: 0.4/1.5, 0.5/1.5, 0.6/2.0, 0.8/2.5, 1.0/2.5, 1.2/3.0, 1.6/3.5, 2.0/4.0. Please contact us if you require any further suggestions.

Posted in: PCB Specification