PCB vias design recommendation

Published:

May 29, 2019

Author:

PCBNPI

Abstract:

1.Vias near SMD pads: Solder can flow into the via after melted. As a result cold joint will appear in the end. Check the picture below. 2.Vias on SMD pads: Solder can flow into the via more easier after melted. Check the picture below. 3.Via opening without soldermask covered. When workers solder TH parts by hand, soldering iron can touch vias sometime, then tiny amounts molten solder will stay on vias. This can lead to electrical short easily. We recommend you make all vias tenting (covered by solder mask) if it is possible. ...

June 6, 2019

Thanks for Sharing the valuable information . do we have all kind of DFM list for pcb design . Please suggest

January 23, 2020

We provide pcb design, fabrication and pcb testing with low cost.we have certified soldering technicians and latest machinery equipments.. Contact us for more enquiry- awesh@denebelectronics.com Contact@denebelectronics.com

May 26, 2020

Is there Signal Integrity articles?

You must be a registered user to talk back to us.

 

Company Information:

Professional PCB Prototype & Assembly Turnkey Service For Low Volume Quantity With High Quality And Low Cost! Professional NPI Team Support & Quality Guarantee!Easy Quote online!No MOQ & hidden fee here.Just Have a Try

Hangzhou, China

Manufacturer

  • Phone +86-13221099899

See Company Website »

Company Postings:

(14) products in the catalog

(1) technical library article

(2) news releases

  • Jan 17, 2023 - Introducing Closed-loop Nitrogen Control To Solder Reflow | Heller Industries Inc.
  • Jan 17, 2023 - How Challenging Conventional Wisdom Can Optimize Solder Reflow | Heller Industries Inc.
  • Jan 17, 2023 - The User Benefits of a Supplier Partnership | Heller Industries Inc.
  • Jan 17, 2023 - Vacuum Fluxless Reflow Technology for Fine Pitch First Level Interconnect Bumping Applications | Heller Industries Inc.
  • Jan 17, 2023 - Flux Management | Heller Industries Inc.
  • Browse Technical Library »

PCB vias design recommendation article has been viewed 610 times

ICT Total SMT line Provider

 Reflow System