All Questions
Tagged with through-hole pcb-assembly
12 questions
11
votes
5
answers
3k
views
Does the PCB have to be thinner than through-hole pin length?
If I have a part that has pins that are 1.2mm long. Can I use a PCB that is 1.2mm thick or does it need to be even thinner than that?
- 111
8
votes
2
answers
1k
views
Drill through PCB or just use glue to mount component?
For a one-off hobby project I want to add a potentiometer to an existing two-sided PCB. There is an unpopulated zone (as far as I can tell) on the PCB that looks ideal, but I'd have to drill mounting ...
- 195
4
votes
1
answer
2k
views
Solder SMD on through hole
Can I just solder an SMD part directly on the through holes of the PCB?
The pitch of SMD matches the pitch of the through holes.
- 161
0
votes
2
answers
122
views
drilling SMT footprints for fitting THT parts
I have bought by mistake some THT caps instead of SMD and would like to use them still. They were bought from a supplier who has the bad habit of not answering customer requests. These are 5000h caps, ...
- 1,061
8
votes
3
answers
4k
views
How are through-hole boards mass-produced?
I'm familiar with the manufacturing process of surface mount boards. Chips come on reels (very high volume smaller parts), trays, or tubes. They are loaded into pick-n-place machines. The PCB, with ...
- 12.6k
0
votes
1
answer
745
views
Shrinking drill hole size in Eagle
The last time I did a successful PCB, the drill hole size relative to the component pad size is rather huge to the point where when I entered the soldering stage, the component wires were not ...
user116345
2
votes
2
answers
216
views
Connectors in high volume manufacturing?
How are connectors such as USB handled in high volume manufacture?
Would the panelized board leave room to place these connectors or would the panel be cut apart and the connectors added later. Is ...
- 7,261
1
vote
1
answer
321
views
Pastemask. Manufacturing PCBs
after finishing some designs, it is time to manufacture and assemble them.
For making these designs I have to create all padstacks, footprints, etc from scratch, so I took PCB Editor examples as ...
- 367
21
votes
3
answers
3k
views
What are the 'knuckles' on through-hole LEDs and photodiodes for?
I am using an IR LED and a photo diode, and I have designed the PCB according to the specifications that I found on the datasheet - i.e. hole sizes for the pins being 0.6 mm. However, on these ...
- 2,188
1
vote
1
answer
2k
views
Maximum protusion length for through-hole component pins
I'm working on a PCB that has through-hole components on both sides of the board. The "top" side of the board is mounted flush to a Delrin plastic block (the only top-side component is a gas sensor ...
- 1,733
11
votes
4
answers
9k
views
Holding components without bending leads when soldering upside down?
I am gaining experience in soldering components onto PCBs. I'm working through some one sided through hole PCBs and one thing that I'm having trouble with is holding components once I flip the board. ...
- 1,831
2
votes
2
answers
227
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
(...
- 147