All Questions
Tagged with pcb-assembly assembly
6
questions
5
votes
1
answer
1k
views
What is "activity" in solder flux?
I'm trying to select a solder flux and so many references (and one or two SE questions) discuss the types and differences. They mention "activity", such as "Rosin Activated (RA) flux ...
- 475
2
votes
2
answers
1k
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How is this kind of soldering done?
The solder fillets around the base of the header pins are almost flat - very different from the kind of fillets you'd expect to around a 0.1" header. These kind of fillets are very common on ST's ...
- 949
6
votes
1
answer
578
views
Soldering a male-female bus connector
'Stackable bus connectors' are common nowadays on Arduino and other boards where a single connector has both the male pins (for the board below) and female sockets (for the board above)
In DIY sites ...
- 2,117
3
votes
2
answers
649
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Moisture Senstive Devices - Shelf Life
I have a bag of DAC7512N digital to analog converter from TI. They are still sealed in the original packing, however the caution notes denote "calculated shelf life in sealed bag: 24 months" and the ...
- 3,159
14
votes
5
answers
2k
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Conductive object to raise 6mm height off PCB
I am designing a PCB where I expect to have a certain part assembled at the edge of each board (blue in the picture below).
However, this part needs to be at connected/soldered at a height of about 6 ...
- 715
6
votes
4
answers
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what is an average CPH speed for hand SMD assembly?
What would be the average speed (an experienced) person would assemble surface mount components on to a PCB? Assuming they have desk that is correctly set up (pick and place station) and the PCB has ...
- 185