Electronics Forum: electron (Page 5000 of 7894)

high-frequency PCB circuit design

Electronics Forum | Wed Apr 19 04:19:31 EDT 2017 | pcbcart

Hey Westen, we have an article about misunderstandings and strategies on High-Speed PCB design, you might find some valuable info. Article address: http://www.pcbcart.com/article/content/high-speed-PCB-design-strategies.html If you have further co

Stencil Manufacturer

Electronics Forum | Wed Mar 08 15:19:29 EST 2017 | ilavu

Can you share your stencil manufacturer? We have been using Fineline Stencil(FLS) since 2010 but [I'm unhappy]**. They don't want to honer there own word in writing. We are looking for better and honest stencil supplier. Thanks, ** I edited this

Stencil Manufacturer

Electronics Forum | Thu Mar 09 09:15:37 EST 2017 | ilavu

This is not a adds. I am just asking for other supplier name and experience that they have. Like Phil said he never have any problem with same company. I just wanted to let people know my pain with same company. Phil- Keep your eyes on the accounti

Stencil Manufacturer

Electronics Forum | Wed Apr 19 04:27:54 EDT 2017 | pcbcart

Hey Tushar, In case you are still evaluating new Stencil Suppliers or someone else interested in new stencil suppliers, PCBCart offers free yet superior quality stencils for PCB assembly clients. Learn more at http://www.pcbcart.com/assembly/overvie

Vacuum for Wave and Selective Solder Maintenance

Electronics Forum | Sat Mar 11 08:53:44 EST 2017 | tch

My company is looking for a vacuum that can handle being used to clean up solder splashes on the bottom of our wave solder machines and around the solder pot area in our ERSA Selective Solder Machines. In the past we would use a Shopvac but these don

What is the QFN or Device Voiding Levels Needed for Automotive Industry for Power Devices for Electric Vehicles?

Electronics Forum | Tue Mar 14 12:22:20 EDT 2017 | pzappella

Hello, I was at a IMAPS conference last year 2016 and several presentations for QFN packages showed x ray images with high void levels of 30 to 50% with the best around 15% with solder paste. During the discussion it was mentioned that the auto in

What is the QFN or Device Voiding Levels Needed for Automotive Industry for Power Devices for Electric Vehicles?

Electronics Forum | Wed Mar 15 10:15:26 EDT 2017 | pzappella

Hi Phil, 25% sounds real high to me, any failures available that you can x ray and see what the void level might be? Wish I could call Ford and GM and ask what they really want for void levels. PZ

What is the QFN or Device Voiding Levels Needed for Automotive Industry for Power Devices for Electric Vehicles?

Electronics Forum | Wed Mar 15 12:39:24 EDT 2017 | cyber_wolf

Customer precedes standard, but customer must be educated and informed on what is achievable with their design and what is accepted as industry standard practice. My guess is that the negative effect of those voids is negligible. {Voids at the sold

Dross reducer for wave soldering

Electronics Forum | Mon Mar 20 13:56:04 EDT 2017 | pjc

Kleenox is designed for cleaning and protecting the solder bath in wave solder pots from air oxidation and formation. Kleenox is formulated to remove oxides. Kleenox can be used with tin/lead and lead-free solder. http://www.americancleanstat.com/k

MPM ultra print 1500

Electronics Forum | Mon Mar 20 13:49:21 EDT 2017 | pjc

That's a U.K. machine, so the zerk fitting is not standard to USA. You can replace it with a standard, like from Grainger: https://www. Grainger.com/category/grease-fittings/ecatalog/N-14rvZ1z0do6q MPM can't help as that machine is obsolete, but PPM


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