All Questions
9
questions
6
votes
3
answers
995
views
How is the CQFP64 package supposed to be soldered?
I am currently designing a PCB containing an ATmegaS128 with the CQFP64 package (see picture below and page 460 of its datasheet), but I do not know how it can be soldered. Can the golden frame and ...
- 351
1
vote
5
answers
2k
views
Resistors - proper SMD package for newbie
I will be designing an Arduino shield in KiCAD.
This will be my first project in KiCAD.
Considering I am a newbie in PCB design and I will be performing the soldering, what is the correct package size ...
- 1,369
0
votes
2
answers
2k
views
SOIC8 marking (direction)
I received some ICs in the package SOIC8. Usually the packages have some indicator where the 1 Pin is. This does not.
I found the chip soldered on a board on the internet and with the marking on it I ...
- 415
3
votes
4
answers
1k
views
How to solder surface mount chip
I have to solder a chip in a TSSOP-20 package on a board but unfortunately I have no "pcb oven". During the design I had access to a such oven but it's no longer possible. After some search on ...
- 3,946
1
vote
1
answer
295
views
Best way to prototype a TDFN package chip (MAX9814 and MAX9820)?
For my engineering project, we wanted to use the gain control and amplifier available on these two chips, but are finding difficulty with prototyping them as they are so tiny. One of the chips is a 14 ...
2
votes
3
answers
3k
views
Soldering SOT-23
I'm working on a DYI battery monitor project and the possibility of using an INA169 came up. That's a SOT-23 packaged component.
I have minimal soldering skills so I'm looking for some advice:
Can I ...
- 539
1
vote
0
answers
57
views
placing hermetical packages on PCB and soldering
I stumbled upon some hermetically enclosed packaged - Link.
The package has a small bulge/projection on the bottom. This makes the package leads basically float without contact with the PCB. How do we ...
- 1,929
1
vote
2
answers
666
views
is there a standard name for surface-mounted 0.1" pitch DIP packages?
I've seen several boards that have ICs that look very similar to standard through-hole DIP packages (in particular, the packages have pins on 0.1" pitch), but the boards do not have any holes for the ...
- 17.7k
9
votes
5
answers
6k
views
Which is easier to solder: TSSOP or QFN?
Which package easier to solder on home-brew PCBs:
TSSOP
QFN
I generally use solder paste and hot-air / hot-plate.
- 5,219