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7 questions with no upvoted or accepted answers
1 vote
0 answers
189 views

Do I need to alter my reflow profile for a PCB with thicker copper?

I have always been working with pretty standard 1 oz. copper PCBs and using a Controleo3 reflow oven with great success. However I am now working on boards that will potentially have 3oz or 4oz copper ...
VanGo's user avatar
  • 1,197
1 vote
0 answers
53 views

Can I expect a solderpaste circle to reliably reflow onto a smaller circlular pad?

For various reasons, I need to pad a bit more solder paste onto a fixed-size pad, and I cannot change the stencil thickness without messing up other footprints. The pad is a 1.2mm diameter circle, and ...
Conor Patrick's user avatar
1 vote
0 answers
43 views

Using board-to-board pins and crimp receptacles to attach a non-board receptacle to a board

I imagine this is a bit of a stretch, but I'm working through some iterations of a cable harness for a 3D printer. I've considered that a custom PCB may be in order (still on the fence there), but the ...
Jesse Williams's user avatar
0 votes
0 answers
77 views

QFN-28 REVERSE Breakout Board

I am trying to build a PCB board that I found on GitHub. In a rash we ordered few sets of the PCBs without inquiring about the parts availability. Turns out one of the parts is not available in all ...
Swetko's user avatar
  • 109
0 votes
0 answers
446 views

Are there blank prototype PCBs with staggered edges for a DB25 connector?

Are there blank prototype PCB boards I can buy that will accept a solderable DB25 with its staggered pins?
Zhro's user avatar
  • 2,885
0 votes
0 answers
283 views

How long can the leads protrude for a typical selective solder machine?

I have an LCD who's leads extend about 10mm past the board surface. Can a typical selective solder machine fountain reach this high? If not, any suggestions on the best way to handle long ...
bigjosh's user avatar
  • 10.2k
0 votes
1 answer
65 views

What is the best way to adapt a larger connector when the insertion holes on the PCB do not match?

Good day, everyone. I have a Type-C connector on a device that is much larger than the micro USB connector I had previously. The insertion legs do not align with the holes on the PCB, and since it is ...
condor12's user avatar
  • 145