[PCB_FORUM] Re: hi.

Weiheng,

An easy rule to remember is every 12 mils of trace on 1 oz. copper is
good for 1A. Hence, in your application 20 mils(little extra fudge
factor) will do you just fine. You can also use some of the web
resources to help you out also such as:
http://circuitcalculator.com/wordpress/


Cheers,

Ron Scott C.I.D.+
Texas Instruments
Storage Products Group
Tel:   214.567.4715
Cell:  972.816.7978
rg-scott@xxxxxx

-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of weiheng li
Sent: Monday, June 05, 2006 17:03
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] hi.

hi there,

Is there a rule-of-thumb or formula for calculating the trace width to
serve current limit. For example, how many mils width of etch can carry
1.5A current?
anybody have an idea? thank you.

Weiheng

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