Pad Diameter Needed for Your PCB Drill BitsĪccording to the IPC-2221A Standard Specification, your drill bit size depends on the pad size, and vice versa, in order to ensure reliability and yield. The right PCB design software can help ensure your next design is manufactured correctly with the right PCB drill sizes. Knowing something about the standard PCB drill sizes and how a drill hole is defined in your PCB design software will help ensure your fabrication run is successful and has high yield. Part of ensuring successful manufacturing involves placing the correct fabrication notes into your documentation, which should be pulled directly from your design data.Īn important part of PCB fabrication is placing drill holes with standard drill bit sizes in the board to provide through-hole component solder points, mounting holes, and via holes in your circuit board. Your CAD software should help you stay productive in all of your design projects, and it should help you get your designs into manufacturing. With the number of PCB design software programs and utilities out there, it can be difficult to choose the program that will work best for you. A PCB design software package that generates manufacturing and assembly instructions in industry-standard file formats.
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