Electronics Forum | Mon Sep 17 06:45:56 EDT 2018 | mk15
hello, Does anyone know about the value of components ˇDIODE AND REZISTORˇ near MOSFET transistor Q13 IRF840 on the board Mydata Plate K-029-0016 Elmo Power. Thanks
Electronics Forum | Tue Sep 18 05:50:33 EDT 2018 | sarason
Take a photo of the area on the board and of any other areas that look similar and/or use a IRF840 or similar large FET. Oh and post it here! sarason
Electronics Forum | Wed Sep 01 02:48:49 EDT 2021 | cmchoue
Hi Experts, I'm looking for how to auto skip the AXI(X-Ray) inspection on X-out board,Did any folks have the experience on this? Looking for your advice. AXI machine,Virtox and Matrix Thank you CM
Electronics Forum | Fri Jul 10 07:34:00 EDT 2020 | elijah
From the poor bonding strength of the board, the surface quality problems of the board are divided into: 1. The cleanliness of the board surface; 2. The problem of micro graphite (or surface energy) on the surface. PCB circuit board proofing Youke bo
Electronics Forum | Sun Sep 12 09:40:04 EDT 1999 | Wayne S.
hello having a problem with one customers bare boards not matching my stencil apertures. i design stencils based on gerber data and reduce up to 15% on some pads. do some board houses reduce pads after receiving gerber data???why would they do that
Electronics Forum | Fri Apr 30 12:34:12 EDT 2004 | Bryan She
Hello all, these days I've met an OSP board testability issue. 1.OSP board 2.Solder paste:Kester R244 no clean paste 3.Print solder paste on test pad. Issue: There's brone(light yellow)flux residue on test pad,and the probe can't penetrate the residu
Electronics Forum | Fri Jan 21 10:02:18 EST 2005 | Steve C.
We have 2 different wave machines. An Electrovert with a foam flux and a Vitronics with a spray flux that is no-clean. We started noticing on the Vitronics that we were flooding inside the wave fixture. After further review we noticed that the angle
Electronics Forum | Tue Jan 23 10:45:40 EST 2007 | saaitk
We have used 2 lubricants in the past. The first was Isopropal alcohol, this has issues with regard to H&S but can be quite effective. Most of our product at the time we encountered this problem were washed in a semi aqueous system before shipping. A
Electronics Forum | Thu Aug 23 10:16:43 EDT 2012 | dontfeedphils
There are a couple of things that I would check. Check the board clamps and make sure that they're in good shape and that they're actually holding the board securely. If those check out I would take a look at the fid camera and make sure that every
Electronics Forum | Thu Jan 14 09:25:34 EST 2016 | davef
IPC-A-610F 10.2.6 Laminate Conditions - Depanelization talks to the acceptability of the depanelization criteria for assembled boards. There is no requirement for moisture sealing with epoxy or other material. Basically, the standard requires that th