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.
144 questions
2 votes
2 answers
107 views
Does a typical through-hole component lead have a strong electrical connection to internal layers?
For soldering through-holes, typically the board is subjected to "wave soldering". In this process, does the solder wick into the through-holes, so that each component leg is well connected ...
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0 votes
0 answers
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Choosing an IC for my bidrectional converter
Previously for my bidirectional convertor, I only found LTC3871 (from analog devices), which is very small 7x7mm, for converting from 24-> 11.85V and 48->12V (for buck) and, 5->47.4 and 12-&...
0 votes
1 answer
133 views
Design of a Through-Hole Resistor Singulator Dispenser for Dispensing One Resistor at a Time [closed]
I’m working on an electro-mechanical project to automate the sorting and organization of through-hole resistors, a common challenge for electronics hobbyists after prototyping projects. The goal is to ...
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0 votes
1 answer
162 views
How do I remove a dotted line hole in a pcb?
I'm new too Altium so I'm not sure if I'm just missing something obvious or not. There's a multilayer hole in a pcb file I'm working with, and I just can't delete the hole, and have the pcb return to ...
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2 votes
1 answer
181 views
How to safely remove components from WAGO-style connector (spring cage/push-in connectors ) on LED strip PCB?
Background I have an LED strip PCB that uses spring cage connectors (similar to WAGO-style connectors) instead of traditional soldered connections. The electrolytic capacitors and power supply wires ...
- 204
1 vote
4 answers
224 views
Guitar pedals: why do many of them are using through hole components? [closed]
As a way to increase my signal processing skills, I plan to create some guitar pedals. I started to have a look on existing schematics and pictures. It seems that many of them are still using through ...
- 639
2 votes
1 answer
194 views
PCB routing: how to connect the ground?
I want to create a PCB schematic of a very basic AC/DC converter and I'm a total newbie. What's the best way to connect ground pins? Transformer is through-hole. Do I have to pour in a second layer ...
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0 votes
1 answer
41 views
How to mount a RFM69HCW RF tranceiver on perf board?
I bought this RFM69HCW RF tranceiver from Sparkfun without realizing that there's a version with the breakout board! The holes on the version I bought are too close to each other such that the 0.1 ...
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6 votes
7 answers
2k views
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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1 vote
3 answers
524 views
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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-1 votes
1 answer
435 views
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 ...
- 184
0 votes
3 answers
343 views
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 ...
- 172
1 vote
1 answer
237 views
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 ...
- 269
1 vote
1 answer
157 views
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 ...
- 363
15 votes
5 answers
8k views
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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