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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 ...
savas's user avatar
  • 21
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?
user1584421's user avatar
  • 1,369
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-...
Randomaker's user avatar
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 ...
user1584421's user avatar
  • 1,369
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.
Zhro's user avatar
  • 2,885
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 ...
Francis Poirier's user avatar
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 ...
user2736482's user avatar
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 ...
LoveEnigma's user avatar
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 ...
SWB's user avatar
  • 333
-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?
user1847656's user avatar
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-...
Dzarda's user avatar
  • 3,060