All Questions
11
questions
2
votes
0
answers
34
views
Looking for a solution to tape and reeling 01005 components
Current tape and reel causes 01005 size components to move around. How can I have them packaged so they can retain their original orientation?
I've spoken to many reeling houses, any feedback is ...
1
vote
1
answer
477
views
Kicad - 0805 Hand soldered package
When I try to select a footprint for an 0805 resistor in Kicad, there are two options.
What is the difference between them and which one do I choose?
1
vote
1
answer
921
views
resistor package size
I am using EasyEDA to design some PCBs, and I am trying to figure out what package to use for your basic 1/4w resistor. The options are-
R-Alial-0.3
R-Alial-0.4
R-Alial-0.5
R-Alial-0.6
R-Alial-0.8
R-...
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 ...
4
votes
1
answer
190
views
Why do these two resistor networks measure differently?
Why do these two resistor networks measure differently?
Aren't two 100k resistors in series supposed to be equivalent to a single 200k resistor?
These are being simulated with Circuit Wizard.
1
vote
1
answer
850
views
Different footprints for different surface mount Resistor packaging?
When using the same surface mount package size (0402) for all my resistors on a board, but using resistors from different manufacturers or with different resistance values, should I create a different ...
1
vote
0
answers
157
views
chip resistor/capacitor size vs performance for analog circuits
I am designing one four layer ADS1298 (TI) based analog PCB. Signal frequency is about 1.5Hz to 3.79kHz. It is a four layer board with most of the components and traces on top layer and the ground ...
1
vote
1
answer
2k
views
What should be the size/package of Bob Smith Termination resistor?
We have run into a layout issue where the size/package of the 75R resistor used for Bob Smith termination on unused Ethernet pins is in question. The current package of this resistor is 1206 and we ...
12
votes
1
answer
3k
views
What standard governs the dimensions of SMT chip resistors and capacitors?
I am aware of the JEDEC registered outlines, which define the standard mechanical dimensions and tolerances for a wide variety of solid-state packages.
However, these standards do not appear to cover ...
-1
votes
2
answers
3k
views
Power Resistor TO-263 in Layout (Eagle) [duplicate]
I am using this Power Resistor here and I am trying to put it in my layout. The Problem is I can't find any .lib (TO-263 or D2PK) file in Eagle or at least a similar package.
Any Help?
6
votes
1
answer
3k
views
Possible uses of a MELF resistor?
I have been doing some net-surfing on Farnell's website and stumbled upon a section called
MELF Surface Mount Resistors
According to Wikipedia, this package family has a rather funnily sounding de-...