Questions tagged [through-hole]
Through-hole technology refers to the mounting scheme used for electronic components that involves the use of leads on the components that are inserted into holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side.
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What would cause desoldering braid to simply not work?
I'm trying to replace the triac in a floor lamp dimmer, and completely failing to remove solder from the pads with desoldering braid. I've desoldered plenty of times before, though admittedly not ...
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Cleaning excess solder from small through-holes on a PCB
I am trying to desolder a micro connector, and one of the through-holes where the connector legs are soldered is so small that I cannot remove the excess solder. I have tried using flux, adding new ...
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Does KiCad no longer support THT footprints for home soldering of pin headers? [duplicate]
I cannot find any connector that will simply allow me to make a PCB with THT holes for me to solder my own pin headers. The best I can find online is this link which identifies parts which I cannot ...
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Running traces across THT footprints
Will this work, knowing that I'm running traces across THT footprints?
Kicad lets me do it, but will PCB manufacturers be able to print the board?
On the other hand I had no other choice as I might ...
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IPC 7251 annular ring meaning
When looking at IPC-7251 Table 3-3 (see the table in Sergei Gorbikov's answer at How to determine annular ring width for thru-hole pads?), for a through-hole pad in Level B the annular ring is given ...
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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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How should I wire my circuit onto a perfboard?
I have built this circuit on a solderless breadboard, and now I want to build a permanent version. I have all the parts, I want to build it today.
How should I put this on a perfboard?
Note that I am ...
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What is this HDMI connector?
I'm trying to identify this HDMI connector.
The marking on it says TCF but I haven't found a manufacturer with that name or any other info based on that. I went through the Digikey, Mouser and Molex ...
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Footprint for potentiometer with support pins
I am trying to add this:
potentiometer to my design. As you can see, it also has two pins in order to support it structurally. This is the datasheet if anyone is interested:
https://www.tme.eu/...
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SMD Potentiometers, with long and standing wiper
I am trying to find a component, but I am not sure if such a component exists.
I want the potentiometer with the standing wiper, like this:
However, all the potentiometers that I find of this type (...
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NPTH through SMD pad
I'm trying to incorporate this design for an 18650 battery clip into my PCB. I'm using KiCad.
If you look at the datasheet, you'll notice that there's actually two tabs sticking down from both ends of ...
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Why are SMD components not good for high power applications?
I have been using this capacitive power supply to drive a circuit (an OP amp and relay), but what I can't understand is that when I tried using an SMD resistor (R2) after some testing (turning on and ...
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How can you tell if a resistor is SMD or THT?
In my small project, every type of component I am using (inductors, capacitors, ICs) has something to indicate that is a surface mount type except for the resistors. I need to know so I can select the ...
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What IPC standard guides on the design of through hole PCB pads?
Through hole PCB pads need an annular ring and will have other details like the solder mask clearance. For pad that shall be used to solder component leads, I believe that there is some IPC guidance ...
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Best LCD for mass production
I'm designing a PCB that will be manufactured in small batches (a few hundreds). It will have a segment LCD with electronic components under it. I cannot choose between two form factors - with SMD ...
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