Circuit board trace repair...

Chuck Guzis cclist at
Fri Aug 14 00:25:51 CDT 2020

On 8/13/20 9:58 PM, dwight via cctalk wrote:
> How much current is ir suppose to carry? I'd just replace it with a piece of wire wrap wire if it is less than an amp.
> Of course, I assume you've fixed what ever failed to cause it to blow.
> Gold wire is expensive.
> Dwight

According to my tables, AWG 30 copper wire has a resistance of 0.107 ohm
per foot or about 9 milliohm per inch.  I suspect that it would work
under almost all PCB repair conditions.  I've repaired power traces on
CPU boards using WW wire with no ill effects.


More information about the cctech mailing list