Manufacturing Tolerances

In order to provide you with a high quality PCB that meets your needs, here is a summary of the manufacturing tolerances for "Limited Review" products.  Adhering to these tolerances within your PCB design will insure that your PCBs will be manufacturable. 

  • Inner Layer Clearances:  (hole size + 0.020")
  • Copper to Board Edge:   (0.020")
  • Pad size / Annular Ring:  (hole size + 0.017")
  • Hole Size:  (+/- 0.005")
  • PCB Thickness: (+/- 10%)
  • Board Outline:  (+/- 0.010")
  • Internal Cutouts:     (+/- 0.010")
  • Copper Trace Width: (+/- 20%)
  • Copper Spacing: (+/- 20%)
  • Soldermask Minimum dam:  (0.004") 
  • Slot Width: (+/-0.005")
  • Silk Screen line width:  (0.006")  

If you require tighter tolerances than these listed selecting Full Review (NRE) on your order form will allow you to take advantage of the full range of capabilities and tolerances Sunstone has to offer.