Electronics Forum | Tue Nov 09 16:27:21 EST 2004 | davef
A PQFP208 is 20 thou [0.5 mm] pitch.
Electronics Forum | Tue Nov 01 12:18:09 EST 2005 | chunks
Is this causing shorts? Or are your pads that wide?
Electronics Forum | Fri Apr 25 07:15:50 EDT 2008 | davef
Please post a picture of your cross section.
Electronics Forum | Sat Oct 12 10:00:51 EDT 2019 | dekhead
Can you put -0.5mm offset in "Reverse X Offset" to alleviate?
Electronics Forum | Tue Jun 07 20:17:09 EDT 2022 | SMTA-64387182
Understood, Thanks, Joe
Electronics Forum | Thu Dec 18 15:48:25 EST 2003 | Subhash Nariani
Hello, Does anyone have experience with the PCB assembly of 0.5mm pitch chip scale packages with HASL finish? Characterization data that you can share? Tribal knowledge has it that the height variations of the solder prevent the use of HASL for fin
Electronics Forum | Mon Feb 28 06:06:04 EST 2005 | Guest
I'm looking for recommendations on pad and stencil design for products with 0.5 mm pitch BGA's. The latest info that I found in the archives of this forum dated more than a year ago. It didn't give me much confidence that assembly of such components
Electronics Forum | Fri Jun 01 22:09:03 EDT 2007 | mika
Hi Aj, What type of QFP are we talking about? We had in the past big problem with QFP-304 0.5mm pitch from ALTERA. Similar as you describe. Note. No problem with QFP-256 or QFP-196 0.5mm pitch, or anytying less than -304:s Can You be a little bit mo
Electronics Forum | Wed Aug 13 22:23:24 EDT 2008 | davef
8.4 * SAC305 => 7.36 * Sn-3.5Ag => 7.5 * '....in' [96.2Sn-2.5Ag-0.8Cu-0.5Sb] => 7.39 * Sn-4Ag-0.5Cu => 7.39, 7.44 * Sn-3.8Ag-0.7Cu (Multicore solder) => 7.5
Electronics Forum | Thu Aug 05 11:36:48 EDT 2004 | Tore
Hi, Here is the background: we have a numbers of prototype boards to run, with a QFP144 0.5mm pitch component. Unfortunately the foot-print is for a QFP144 0.65mm pitch. Does anyone know if there is a socket converter on the market for this; QFP144
