472 ipc-2222 trace spacing results

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Conductor or Trace Spacing

Electronics Forum | Wed Jul 06 13:22:25 EDT 2005 | Dreamsniper

Can anyone help me on where to find reference for the above info other than IPC2221 as it is not covered by the said standard. I am looking for a proper trace spacing for my lightning protection circuit on my PCB for the following requirements: 750

Conductor or Trace Spacing

Electronics Forum | Wed Jul 06 13:22:48 EDT 2005 | Dreamsniper

Conductor or Trace Spacing

Electronics Forum | Wed Jul 06 20:40:40 EDT 2005 | davef

Voltage does not flow. Current flows as a result of a change in voltage. Current capacity of traces * Graph is IPC-2221 paragraph 6.2, Figure 6.4 * http://www.geocities.com/CapeCanaveral/Lab/9643/TraceWidth.htm

Re: problem when testing the RF product

Electronics Forum | Mon Jun 21 12:03:20 EDT 1999 | Scott Cook

Since Vic posted me privately and asked for the SIR test parameters I spoke of in my other post, I thought I'd respond on the forum. Ok, here they are, per Joe Keller--Solder / process consultant AKA Manko..... This is an accelerated SIR / dendrite

IPC Class 3 Annular Ring and Fine Pitch BGA Challenges

Electronics Forum | Mon Oct 09 06:16:31 EDT 2017 | jamesbarnhart

I think you needed an IPC Class 3 annular ring because for very dense designs, the smaller the annular ring the better, as less space is taken by the pad or via and more space can be dedicated to routing the traces in highly populated areas of the bo

PCB Fab House

Electronics Forum | Thu Apr 03 15:17:35 EDT 2008 | lakeside

Hi John, Check out Sierra Proto Express: http://www.protoexpress.com They have a microelectronics division that can do the 4 mil laser drill & they can get down to 1.25 mil space/trace. Hope they can help! Julie

IPC Standard?

Electronics Forum | Tue Apr 27 18:33:35 EDT 2010 | smt_guy

what IPC Standard do I need in designing RF Boards that pertains to PCB Layout, Conductor width and spacings, Trace thicknesses etc... thanks and best regards,

Standard for automated placement & assembly, density etc.

Electronics Forum | Tue Feb 21 11:09:40 EST 2012 | jax

I have never heard of the "88", "55", or "44". Are you sure this does not refer to Trace and Space guidelines?

Reflow soldering problems and traces under component

Electronics Forum | Mon Jul 18 12:24:53 EDT 2016 | oleksz

Some people involved in PCB assembly process claim that SMD components reflow soldering problems are often caused by traces running under a component. According to this claim, trace (or any copper) covered by solder mask and placed under SMD componen