Electronics Forum | Thu Jan 05 15:53:07 EST 2012 | davef
* Singulation (Wand 847-459-2400 F2421, Circuit Technology 708-705-2140 f2141 John Bambule, Pioneer - Dietecs 781-682-7900 F0338 Gerry Larson) * Routing (Cencorp 303-530-0891 bill stranathan 303-772-5933x227, 0Z0 Automation 800-366-0401 Chip Gill)
Electronics Forum | Fri Apr 27 08:19:04 EDT 2012 | jim_n_hky
Can anyone offer guidelines on DFM and process recommendations for soldering .050" pitch connectors in the wave. The initail design had .026" drill with .043" pads so only .007" between pads. I requested .035" pads, but this still only leaves .015" b
Electronics Forum | Fri Dec 27 14:11:18 EST 2002 | cnotebaert
We have placed these parts. I have not had problems with them but when I designed the stencil we reduced the app for the large thermal by 20% to reduce the chance of problems like your having. If the balls are close (.040-.050" or
Electronics Forum | Tue Mar 11 09:33:06 EST 2003 | davef
I'm wrong about the MPM AP. I got my model designation crossed-up and was thinking of an older unit. I apologize to MPM for for my unfair criticism of their product.
Electronics Forum | Wed Oct 25 13:42:32 EDT 2000 | Chris McDonald
I was wondering IF anybody has has success wave soldering a 50 (2 rows of 25) pin 0.050" pitch thru-hole connector. I seem to be getting alot of bridging no matter what I do. Is there a design spec for the size and shape of pads? The pads on the pcb
Electronics Forum | Wed Jul 13 19:47:06 EDT 2005 | Darby
This works for me with ENIG finish and a SAC305 NC paste Reduce all pads by -2mil on all sides ie 0.050" x 0.050" becomes 0.046" x 0.046" EXCEPT Anything smaller than 30mil; -1.5mil Anything smaller than 20mil; -1mil Anything smaller than 15mil;
Electronics Forum | Thu Apr 22 16:15:26 EDT 1999 | Steve Gregory
| Could anyone recommend a good depanization tool for a PCMCIA | panel which has breakaways. For several reasons, we decided to | go with this approach rather than scoring and I'm less than | pleased with the punch presses we currently use. Any h
Electronics Forum | Mon Sep 14 09:25:49 EDT 1998 | Dave F
0.050" -> 50 mil -> 50 pitch | 0.80 mm -> 0.032" -> 32 mil -> 32 pitch | 0.64 mm -> 0.025" -> 25 mil -> 25 pitch | 0.50 mm -> 0.020" -> 20 mil -> 20 pitch | 0.40 mm -> 0.016" -> 16 mil -> 16 pitch | 0.20 mm -> 0.012" -> 12 mil -> 12 pitch | Dave F Y
Electronics Forum | Thu Jun 18 22:25:24 EDT 1998 | Dave F
| | | | | We're running into problems with board damage (broken traces, solder shorts) due to pliers and other bizarre tools being used for depanelization. I need some sort of fixture for this. A delrin plate with a slot cut to the correct depth and
Electronics Forum | Sat Oct 28 10:13:27 EDT 2000 | KF Lok
1) Try to keep lead as short as possible. 2) The long side of the connector in the direction of conveyor. 3) Use pallet, design such that the connector is 45 degree to the wave.( or conveyor). May not remove all shorts but reduce to one area i.e. th
