The through-hole tag has no wiki summary.
16
votes
4answers
640 views
Do engineers still design for volume using discrete through-hole bipolar transistors?
As a hobbyist who likes plugging BJTs and discrete components into solderless breadboard for entertainment and education, I recognise that people like me are an insufficient market to make it ...
1
vote
1answer
71 views
PCB has strange looking pads, how do I solder them without impacting nearby surface mount components?
I've recently brought the px4fmu and px4ui boards. The px4io requires me to solder a power socket and headers onto it.
However there are surface mount components very close to the holes/pads. Also ...
2
votes
4answers
572 views
How can I make a plated-through hole in Eagle?
I have mounting holes (0.125 in) at the corner of my PCB project in Eagle, made with the standard "hole" tool. However these are not electrically connected to anything.
There doesn't appear to be a ...
0
votes
0answers
72 views
Choosing basic thru-hole components [closed]
I'm just getting into electronics as a hobbyist. When I want to make a project (say from MAKE magazine) I find I don't know enough to easily choose between the hundreds or thousands of available ...
1
vote
3answers
542 views
Breadboard/veroboard and SMT
By now, through-hole components have almost completely disappeared from consumer devices and also professional PCBs.
But what is the alternative to build breadboard-veroboard for SMT technology? ...
2
votes
2answers
153 views
What does “Pins are on 0.17” centers" mean?
I'm looking at some switches (here) and the description reads:
Small PC mounting slide switch features SPDT contacts and white
positive action slide lever. Size about 0.56"L x 0.25"W x 0.34"H
...
12
votes
5answers
3k views
Plated Through Hole at home?
Is it possible to make PTH (Plated Thorugh Hole) at home?
Can somebody explain the procedure?
5
votes
3answers
640 views
What's up with these plated through-holes / vias?
We purchased a number of stainless steel kiosk keyboards from a Chinese manufacturer a while back and have been seeing extraordinary failure rates (around 30%). Groups of keys just stop working. ...
1
vote
4answers
384 views
Is it okay to use SMT for 250VAC parts?
I've found some 400V 0805 resistors. However, as in my previous question, I noted that almost no power supplies used surface mount components.
One of the things I'm working on is a capacitive power ...
