PCB design Aid for PCB conductor PCB copper thickness

///PCB design Aid for PCB conductor PCB copper thickness

The following table shows the maximum allowed PCB conductor trace width with the minimum PCB conductor trace spacing, depending on the respective PCB copper thickness. (powered by China Printed Circuit Board manufacturer)

Inner layers

copper thickness min. conductor trace width / -spacing min. restring
12µm 75µm 100µm
18µm 100µm 100µm
35µm 125µm 100µm
70µm 200µm 200µm
105µm 250µm 250µm
140µm 300µm 300µm

Outer layers

Final copper min. conductor trace width / -spacing min. restring
18µm 75µm 100µm
35µm 100µm 100µm
70µm 200µm 200µm
105µm 250µm 250µm
140µm 300µm 300µm
210µm 500µm 500µm
400µm 900µm 900µm

Conductor / copper thickness

The following table shows the maximum allowed conductor trace width with the minimum conductor trace spacing, depending on the respective copper thickness.

Inner layers

copper thickness min. conductor trace width / -spacing min. restring
12µm 75µm 100µm
18µm 100µm 100µm
35µm 125µm 100µm
70µm 200µm 200µm
105µm 250µm 250µm
140µm 300µm 300µm

Outer layers

Final copper min. conductor trace width / -spacing min. restring
18µm 75µm 100µm
35µm 100µm 100µm
70µm 200µm 200µm
105µm 250µm 250µm
140µm 300µm 300µm
210µm 500µm 500µm
400µm 900µm 900µm
2017-10-24T22:23:41+00:00November 15th, 2016|PCB Manufacturing Technology Community|