PCB Design Rules Standard

• Minimum track width = 15 thou (0.37mm)
• Minimum track spacing = 15 thou (0.37mm)
• Smallest hole drilled = 0.8 mm
• Keep pads at least twice the diameter of the hole inside.

1 thou is 1 thousandth of an inch. Some people call
a thou a mil.

PCB Design Rules With Photoplot

• Minimum track width = 10 thou (0.25mm)
• Minimum track spacing = 10 thou (0.25mm)

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