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Current Handling - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


AP
Post subject: Current Handling
Unread postPosted: Tue Jun 14, 2005 10:18 am

Can anyone tell me the equation to figure out how much DC current I can carry on a transmission line given the line's width, thickness, and conductivity? Thanks.


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Kirt Blattenberger
Post subject:
Unread postPosted: Tue Jun 14, 2005 12:56 pm
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Joined: Sun Aug 03, 2003 2:02 pm
Posts: 308
Location: Erie, PA
Greetings AP:

Here are some good references for calculating PCB trace fusing currents.

Fusing Current: When Traces Melt Without a Trace
Douglas Brooks
http://www.ultracad.com/articles/fusing.pdf

...and this

Current Carrying Capacity of Vias
Doug Brooks and Dave Graves
http://www.ultracad.com/articles/viacurrents.pdf



- Kirt Blattenberger :smt024



Posted  11/12/2012

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