Electronics Forum | Sun Aug 10 03:41:20 EDT 2008 | eyalg
Thanks for your promt reply It was very usefull Eyal
Electronics Forum | Thu Aug 07 10:02:10 EDT 2008 | eyalg
We are facing low quality due to soldering opens with coilcraft inductors 0402CS-2N7XGLW. The termination used is(suffix L =RoHS compliant silver-palladium-platinum-glass frit. Did anyone had this problem in the past? Can we do better using T = RoH
Electronics Forum | Fri Aug 08 09:49:17 EDT 2008 | scottp
We've seen the exact same problem. The solder joints had negative wetting angles and x-sections show that the PdAg termination dissolved into the solder. We no longer allow PdAg terminations.
Electronics Forum | Sun Aug 10 03:39:21 EDT 2008 | eyalg
Thanks Pete yes we usu ROHS solder paste in our process. I agree that this termination is more suitable for adhsive bonding rather than soldering. We'll try changing the termination type as you recommended. Eyal G
Electronics Forum | Thu Aug 07 11:58:36 EDT 2008 | pbarton
We have experienced the same problem with Pd/AG and P/Ag terminations on precision resistive parts. The problem is dissolution of the termination metallisation into the bulk solder. This is exacerbated by the higher thermal profiles required for RoHS
Electronics Forum | Mon Feb 20 07:57:53 EST 2006 | dpmilk
Thanks Rob. We've been in contact with Coilcraft, but haven't gotten anywhere, yet. We'll check out the other coils. We started using Coilcraft because of their high Q.
Electronics Forum | Fri Aug 15 12:40:49 EDT 2014 | davef
Hi Dave, We can help. Please ask this consultant to contact us directly. There are a number of possible reasons and we'll have many questions to get to the root cause. We are always happy to help solve customer problems. Thanks and Best Regard
Electronics Forum | Wed Oct 10 13:51:08 EDT 2007 | petep
Coilcraft has posted the following and I am wondering how you folks are handling the use of coils in a Water Soluble world. PCB Washing and Coilcraft Parts Coilcraft tests for resistance to solvents per the following specification: Resistance to s
Electronics Forum | Fri Feb 17 05:01:46 EST 2006 | Rob
Ask the distributor (or coilcraft) what the termination material is & if they do alternative ones. These maybe from old stock. If you get no joy have a look at Epcos & Murata who both have wide ranges of surface mount inductors.
Electronics Forum | Tue Oct 06 14:25:51 EDT 2020 | philc
Plenty of 0805 inductors around, up to 470mH, but nothing that is 26mH. Coilcraft do 23.5mH or 29mH - see https://www.coilcraft.com/getmedia/18dd250a-2b92-4f9a-bcee-3624995acc0f/0302cs.pdf Eaton do a 27mH 0805 - see https://www.eaton.com/content/dam
