Trace width suggestions

[Shift838]

I'm getting ready to order a PCB that has +5v, -5v and +12v connections.  

 

My question is what should the trace width be for the +12v line?  for my +5v I have always done between 10 and 15 mils.  But on this board I have set them all the voltage lines to 20 mil.

 

so is 20 mils for the voltage lines good (especially for the +12v) or should it be larger?  i'm thinking bigger?

 

 

Edited April 1 by Shift838

[+dhe]

I don't know the answer to your question, but I know when I ordered the switching power supply PCB, they have an option of 'weight' - Might that factor in also?

[+helocast]

1 hour ago, Shift838 said:

I'm getting ready to order a PCB that has +5v, -5v and +12v connections.  

 

My question is what should the trace width be for the +12v line?  for my +5v I have always done between 10 and 15 mils.  But on this board I have set them all the voltage lines to 20 mil.

 

so is 20 mils for the voltage lines good (especially for the +12v) or should it be larger?  i'm thinking bigger?

 

 

I know there's tons of calculators online, but this has always been my go to for supply lines (had to find the website again).

https://www.mclpcb.com/pcb-trace-width-vs-current-table/