[SI-LIST] Why Thumb rule 40 mils takes 1A

Dear All,
I have a Giga POE signals which is routed on 4 width, 5.5 space and 1.8 mil
thickness.  I have loaded up to 1A in that lines. Initially I thought the
track will damage  (since the thumb rules says 40 mils takes 1A) but it
didn't happen the way I thought.    My doubt is what is the actual current
carrying capacity for 40 mil and 4 mil?  Is there is any rule on the track
width for the PHY signals which has POE.

Please share your experience. 

Thanks and Regards,

Vijay

 

 

 



------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field

or to administer your membership from a web page, go to:
http://www.freelists.org/webpage/si-list

For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field


List technical documents are available at:
                http://www.si-list.net

List archives are viewable at:     
                http://www.freelists.org/archives/si-list
 
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu
  

Other related posts: