Have a look at
http://www.geocities.com/CapeCanaveral/Lab/9643/TraceWidth.htm

Or for Excel:
http://www.pcbstandards.com/downloads/Metric%20Environment/Calculators/T
race%20Current/Trace_Current.xls

Or if you want it in a tabular form:
http://www.circuitboards.com/capacity.php3

Al Williams
AWC
* Learn Programmable Logic (CPLD, FPGA)
http://www.al-williams.com/awce/plx84.htm




> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Edson Brusque (listas)
> Sent: Thursday, June 13, 2002 3:08 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [EE]: PCB traces "amperage"
>
>
> Hello,
>
>     I'm trying to found how much current can I push on a PCB
> trace, but the people that manufactures PCB for me are a
> little weak on technical specs. :(
>
>     There's a formula to calculate how much current a PCB
> trace suports? There's common figures?
>
>     Best regards,
>
>     Brusque
>
> -----------------------------------------------------------------
> Edson Brusque                 C.I.Tronics Lighting Designers Ltda
> Research and Development               Blumenau  -  SC  -  Brazil
> Say NO to HTML mail                          www.citronics.com.br
> -----------------------------------------------------------------
>
> --
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>

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