Electronics Forum | Thu Mar 15 10:28:46 EDT 2007 | cecil
Just askin but why would someone even want to subject an assembly to even 6 reflow cycles? As far as how many cycles that an assembly can be subjected to, wouldn't that be determined my your components?
Electronics Forum | Wed May 17 12:22:54 EDT 2000 | JAX
Ramot, Without further explanation everyone here is just taking stabs at it..... Sounds normal, I'm game! Have you looked at board finish(HASL?)?? Measured paste height?? Are they always off in the same direction? If not, Handling?? What are the sp
Electronics Forum | Mon Aug 31 08:45:37 EDT 2020 | colsenfoto
I am in the process of making a requirements-document for manufacturing of a PCB. I would like to state some requirements for maximum allowable component shifting in the final PCB (both displacement and rotation). However, I can't find any (IPC) sta
Electronics Forum | Mon Aug 06 14:08:56 EDT 2012 | dyoungquist
We run a MY12 and our largest layout has 9700 components of which about 8500 (88%) are placed by the Hydra head. Average run time for our layout is 75 minutes. Based on that and depending on what percentage of your components are Hydra mountable, y
Electronics Forum | Tue Jun 11 04:08:55 EDT 2019 | aite
What type of product are you talking about in SMT? The SMT05E series are non-isolated DC/DC converters packaged in a surface mount footprintgiving designers a cost effective solution for conversion from a 3.3V to 5V source. Operating Temperature is -
Electronics Forum | Fri Sep 24 11:08:13 EDT 2004 | davef
We're not sure what you mean by temperature sensitive components. From an assembly process stand-point, every component we use is temperature sensitive to one level or another. More specifically, some of our products use polyphenylene sulfide (PPS)
Electronics Forum | Thu Feb 13 06:11:00 EST 2020 | makersan
Does anyone know the max component dimensions and weight that yamaha ys12f can place ?
Electronics Forum | Fri Oct 08 09:08:32 EDT 2004 | russ
I've never had one "float" in the wave. Have you tried waving yet to see? Anyway, glue would work, or you could place a a small weight on top, or clinch a couple of leads. Russ
Electronics Forum | Mon Jan 06 18:01:01 EST 2003 | dougt
This is getting deep but here's my input: Here's an idea....... Get a full reel and weigh it on a parts scale down in the stock room. Next weigh an empty reel. Subtract empty from full, and devide this value by the quantity of the full reel. This
Electronics Forum | Tue Aug 17 15:58:14 EDT 2010 | rob_thomas
IPC-7711/7721 states under Scope section: "This document does not limit the maximum number of rework, modification or repair actions to a Printed Circuit Assembly". This is from Rev B of this standard. There are many factors that play a role in the d