Electronics Forum | Sat Dec 17 14:51:45 EST 2005 | Ola
"What worries me is that a lot of people speak about what they have heard, but there is no firm facts on exactly what the situation is." I do not understand this reply, because what can we do beside listening & read, unless we sometimes ourself do t
Electronics Forum | Sat Dec 17 15:58:57 EST 2005 | Mika
We are also interested in this, but where can we find the dimensions? We have thouht about some kind of a guideline to simplify the way of how we do the "Matrix tray numbers" input to our fine pitch machine. We do a lot of prototype production and ev
Electronics Forum | Sat Oct 28 02:25:19 EDT 2006 | mika
Agree!! Where is Your thermocouple-probes attacded and can we get the info from this? Delta-T of the comp. is very, very important! The single most important smt-process step is the profiling/recipy and as a result of this, this poor package will cor
Electronics Forum | Wed Nov 28 16:08:38 EST 2007 | jmelson
I've been using Xilinx TQFP's in the 44 and 144 lead sizes with no trouble. I don't even bake them before reflow and have never had any problem. The Xilinx parts are certainly NOT sensitive, I could not break one with my bare hands if I tried (I ha
Electronics Forum | Wed Mar 12 06:12:09 EDT 2008 | omidjuve
we have pcb here that has a strange footprint on it the details for the device that should be placed on this pcb is part no. PSD833F2-90MI it has 3 different packages PQFP52,PLCC52,TQFP64 and the one that was in the BOM of this board was PQFP52. bu
Electronics Forum | Tue Jun 08 17:51:37 EDT 2010 | vmorina
Hi Vee, We are planing on doing low-medium volume and prototyping boards with the following packages. TQFP, BGA and other SMT packages. I would like to go with some thing like batch/tabletop oven for now, but I am not excluding conveyor reflow oven
Electronics Forum | Mon Feb 07 18:12:56 EST 2011 | eadthem
I do not know what software version you have, but on older versions it is best to have a mounting inspector set to be the primary and then mask out all labels and solder so it just locates the part. Then add another mounting inspector for looking at
Electronics Forum | Wed Feb 22 09:15:06 EST 2012 | sarason
I have done some revision work on the UFOS format. But in my research I found that the format has a bit of variation in it on my old YM6021 the component field has 6 digits and the later YM series it has 8, also does the designator comment crash your
Electronics Forum | Thu Sep 15 21:25:43 EDT 2011 | darby
G'day folks - haven't been around for some time but still soldering on. Question for y'all. One of my design engineers has shown me a Creative PCI audio card with a TQFP48 attached. 0.4mm pitch. Let's say the pin width is 0.2mm and the pad design ha
Electronics Forum | Thu Sep 15 21:36:52 EDT 2011 | darby
I also posted this in the design section... G'day folks - haven't been around for some time but still soldering on. Question for y'all. One of my design engineers has shown me a Creative PCI audio card with a TQFP48 attached. 0.4mm pitch. Let's say