Questions tagged [pad]
For questions about PCB pads, which are exposed regions of metal that component leads are soldered to. Use in conjunction with "pcb" and/or related "pcb-" tags (e.g. "pcb-fabrication"), as applicable.
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Which method can be used to properly fill a via-in-pad by hand?
Assume that you have a via hole inside a pad. Which method can be used to properly fill a via-in-pad by hand so it will be equal or similar as the protection of vias according to IPC 4761?
Which ...
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Pads for Flexypins in Eagle CAD?
can anyone give help on creating pads for Flexypins in Eagle?
The hard part is the plated-through oval racetrack slot. I get the idea that it would be OK to simply drop an SMD rectangle on top and ...
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What's the purpose of a large thermal pad without a heatsink?
I found this thermal pad on a controller board for SATA to USB enclosure. It's stuck on the SATA to USB bridge ICs. You can see 2 ICs to the left of it. There was an identical thermal pad adhered ...
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Why is KiCad repeatedly re-assigning the Ground Pin of a row of resistors to some random pad?
I have run into an odd problem with KiCad, whereby a row of resistors has its ground pads re-assigned to some random pad. This happened with the central row of resistors first of all, which were ...
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how to make heat sink under heat pads in kicad 7
Retired user here that have not designed a circuit in the last 3 years.
So I got myself KiCad 7 and boy oh boy things have changed!
Mostly for the better, but some things I used to do are now a real ...
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IC thermal pad: Place heat sink directly over bottom-side thermal pad and thermal vias
If a VQFN package (below) has a thermal pad and thermal vias beneath it, the bottom layer should have an identical pad to act as a heat sink.
Is it typical to surface mount a heatsink on the bottom-...
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IC thermal pad: Duplicate zone in inner layers also?
Question
For a passively-cooled portable device (fanless, ambient cooling), what are typical methods to supplement the thermal pad of an IC to mitigate device temperature rise, (beyond efficient ...
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Transformer pins not matching PCB layout
I am replicating one of our recommended designs for a POE application.
Here I have an EP13 forward transformer FCT1-50M22SL as recommended in the BOM.
The pins do not match the provided image of the ...
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New to PCB design: Does routing a wire on a 2nd layer underneath a pad connection effect cause a connection issue?
I am designing a pcb with minimal room approximately 5.5mm wide, the power supply comes from one end of the board. The top layer has pad connections that take up most of the width of the board leaving ...
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Altium full-stack pad custom shape
I an currently trying to reconstruct a PCB in Altium from the Gerber files. So far, I have been able to import the Gerbers in a PCB document.
The existing Gerbers have through-hole pads that have a ...
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PTH Pad too close, how to resolve?
I have settled on this component for our spin dials:
https://www.digikey.com/en/products/detail/cts-electrocomponents/292V1X24A/12091626
Problem is, in fusion pcb my pads nearly touch, while the holes ...
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PADS for land pattern coilcraft
How can you even make a footprint/ land pattern with this info. Is that land pattern the pads? Is that a wire going into the model, meaning my pad just needs to touch either side of the component? ...
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Acceptable PCB practice for pad routing and vias
Two questions on beginner PCB design:
For integrated chips on PCB design, can you draw routes from the side of the contact pad, or is it standard practice to go head-on straight to the pad entry?
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Off-center via-in-pad
I am designing a board for a 0.8 mm pitch large BGA component. I will be using via-in-pad. There are some differential pairs that need to escape the pin field. The smallest my board house can do (...
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What is an ideal layout for a normally-open solder jumper?
We would like to make a normally-open solder jumper between two 50x50mil unmasked square pads. I've seen this kind of thing by others and would like to replicate it in our layout. We tried a simple ...
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