PCB Matrix Downloads
 
  FREE, industry-favorite Land Pattern Calculator based on IPC-7351B SMT land pattern standard that lets you define your own CAD land patterns and comes with free library documentation

  Various forms, standards, data, and technical papers

  Surface Mount PLB files - CAD library documentation

  Various useful third-party programs

  PCB Matrix Desktop Wallpapers

  IPC-7x51 Land Pattern Software
 

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