Page Comparison

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For general custom EE flight PCBAs going forward we will follow this mechanical mounting hole specification:

• “Large” Boards:

  • M3

  • Used on any PCBA with area exceeding 2500 mm^2

  • 3.40 mm hole diameter

  • 0.10 mm hole diameter tolerance

  • 6.00 mm annular ring diameter

• “Medium” Boards:

  • M2

  • Used on any PCBA with area exceeding 750mm^2 and less than 2500mm^2

  • 2.40 mm hole diameter

  • 0.10 mm hole diameter tolerance

  • 4.20 mm annular ring diameter

• “Small” Boards:

  • No Mounting Holes

  • Used on any PCBA with area less than 750mm^2

  • No mounting holes will be present on board of this size.

  • Mounting will be done with double sided sticky tape or Velcro

Mounting Hole Parameters

All Mounting Holes follow the following parameters:

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