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The relation between via size and electric value in power supply PCB design Update:4/16/2018 3:08:13 AM

The relation between via size and electric value in power supply PCB design

1.Normal via size in power supply PCB design

The range of via diameter is often chose 8 to 32mil,we can release several vias in one base pin when the electric power is higher.

 
2.Via size and electric value

For the signal via,the key point of carrying current is not via but signal trace.

For the electric power via,we need set one via for each theoretical value is 1A(the diameter of via is 8 to 25mil),the conservative rated current is 300 to 600mA.

For the high voltage power,we suggest to choose bigger via(such as 25 to 32mil) by principle.











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