Electronics Forum: qfn (Page 1 of 58)

QFN Side fillet

Electronics Forum | Fri Jul 19 22:26:32 EDT 2019 | dhanish

Thanks Dave..What is the voids spec for QFN?This is another challenge with the QFN's

QFN soldering

Electronics Forum | Thu Nov 15 09:29:03 EST 2007 | jaimebc

Just to add to the subject, we experienced insufficient solder on our QFN's at our prototype level. To correct it, we went to a 5 mil stencil, 20% reduction on QFN pertures and used QFN's with solder bumps on the pads. We had great results using thi

QFN soldering

Electronics Forum | Thu Mar 29 02:46:25 EDT 2012 | johndoe0222

My company is doing a project with a lot of QFN. The question that we are not sure is how to properly solder a QFN on a PCB. QA says The alignment tab on the side of the QFN should have a physical solder from the board, like a leaded chip. After refl

How to improve the solder quality of QFN?

Electronics Forum | Fri Jul 15 13:58:32 EDT 2005 | seaK

Our production is putting QFN40 and QFN56 package on board. With 80% opening on terminal, 40% on thermal pad, we found QFN56 100% forming toe fillet, but it does not work out the same to QFN40. We suspect it's because of the weight of component.....

QFN Recognotion Problem

Electronics Forum | Fri Mar 23 05:49:53 EDT 2007 | davef

Can the P&P machine 'learn' the QFN package that's giving you fits?

QFN Rework

Electronics Forum | Fri May 23 12:34:19 EDT 2008 | rgduval

We've used hot-air guns in the past to rework QFN's and DFN's. Cheers ..rob

QFN Rework

Electronics Forum | Wed May 28 08:58:46 EDT 2008 | mattkehoe

Wayne, lets talk about QFN's off line. Matt Kehoe SIPAD Systems INc. 770-475-4576

How much voiding to allow on QFN's

Electronics Forum | Tue Jan 12 15:29:40 EST 2010 | davef

What is your concern regarding voiding in QFN solder connections?

QFN shape on Fuji Flexa for CP6

Electronics Forum | Mon May 31 22:52:14 EDT 2010 | fujiphil

I think placing QFN in CP6 will be no problem....

QFN soldering

Electronics Forum | Thu Mar 29 10:28:40 EDT 2012 | thanh

Your QA don't know nothing about QFN. look at Bill Axler post, he was 100% corrected.

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