Questions tagged [mounting-holes]

Are the holes made in a PCB, in order to fixate it with screws on its chassis

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1answer
274 views

Altium plated mounting hole, Un-Routed net constraint

I am trying to resolve a problem I am having with Altium, maybe I am just missing something obvious but i'd like your insight. I have a 8 layer board, build out of signal layers, and internal planes. ...
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5answers
158 views

How should I mount DB9 Connector?

How do I mount that DB9 Connector on this GPB? Any tricks?
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1answer
55 views

Micro USB Type B Receptacle Mounting Holes Near Pads

I noticed a few libraries, in their micro subtype b footprint designs, include round mounting holes very near (touching) the pads. In Eagle, these end up giving me dimension errors. I tried ...
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0answers
92 views

PCB hanging upside down in its enclosure

Would this be a problem in a moderately high vibrations / shocks environment (passenger car interior) ? The screws are 1.8 mm thread diameter, 5 mm long, the PCB being some 90 x 60 mm with nothing ...
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1answer
77 views

Unable to delete circle in tDocu layer in Eagle

I am making a revision to my PCB board where the initial mounting holes were too large and therefore decreasing their size. The holes are on the Dimension layer (20) and were created using the circle ...
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1answer
90 views

Do I need to care about mounting hole contact oxidation?

I am designing a pcb which I have some mounting hole with the function to connect the mounted screw to the PCB ground. I found good resources about this subject in the blog, like this one and this ...
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1answer
369 views

Hole Size Constraint Violation on DRC Check for custom mounting holes

It is about Altium designer. I am fairly new to that platform please bear with me. I am at the stage finalizing PCB for manufacturing. Of course, I have to deal with couple of DRC errors and ...
3
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1answer
263 views

Should mounting holes have solder bumps?

There are many discussions on if mounting holes should be plated or if they should include vias. This is not asking about those issues. I've seen suggestions to add solder to the annular ring on the ...
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2answers
186 views

Size of a non-plated throughole (NPTH) for a spacer

I am designing a PCB. For spacer, I would like to use this part: http://www.keyelco.com/product-pdf.cfm?p=4805 The diameter of this spacer is 0.25 inches. What should be the size of hole on the PCB? ...
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3answers
848 views

Drilling hole through PCB ground plane

I want to add mounting holes to a PCB. The PCB is not of my design so I can't change it. There appears to be a large ground plane in the locations that are good candidates for drilling the holes. Is ...
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2answers
305 views

drilling pin header holes when exact drill size not locally available

I checked all of the hardware stores in my area and I can buy 1/32 (~ 0.79mm) and 3/64 inch (~ 1.2mm) drill bits. No source in my area carries bits which are between those two sizes which would then ...
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1answer
173 views

Screwing power pcb to metal chassis through ground holes [duplicate]

I am mounting a PCB, which deals with currents up to 5A and essentially switches down 60V to 12V and 5V, on a bicycle frame. I have four holes, one at each corner, that are padded with copper traces ...
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1answer
3k views

Mounting a PCB with no holes [closed]

Apart from this edge mounting kit from Adafruit, what are some ways to mount a PCB that does not have mounting holes? I'm looking for non-permanent mounting solutions that take up little real-estate ...
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1answer
261 views

4 ways DC power connector KPJX-PM-4S mounting method

I came across a standard 4-ways DC power connector like the Kycon KPJX-PM-4S, for panel mounting. What I was not able to find on the producer website nor on the web is a standard method to secure this ...
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2answers
83 views

Large Battery Cell mounting in Enclosure

I am trying to figure out the best way to mount a battery like this (http://www.batteryspace.com/polymerli-ionmodule37v10000mah37wh85arate-prewiredwithpcbpl9059156.aspx) onto a 8" x 6" PCB. There do ...
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2answers
23k views

Mounting hole on a PCB

Here is a picture of 3 mounting holes on three different PCBs. The red one is what I prepared on Eagle CAD and used "hole" button on the left side menu , something like this: Do I need to use "...
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5answers
11k views

Should mounting holes be plated?

When putting mounting holes for screws on a PCB, should the holes be plated or unplated? I've read plating the holes provides better support for the screw and helps prevent the PCB from being ...