In electronics packages refer to the physical encapsulation of a device. Most package names are standardized, so for example a TO-92 package will have similar dimensions and pin spacing between manufacturers so the same PCB footprint may be used. Be aware however many packages have subtle ...
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0answers
34 views
Is the network packet size corresponding to the payload data length? [closed]
In a search engine, for example, a user inputs different content , like sum and summer. I believe the generated network packet size will be different. I was wondering is the packet size must ...
3
votes
2answers
126 views
Breakout Board for 1.27 mm to 2.54 mm
Is there any breakout board like this for 1.27 mm to 2.54 mm pitch?
Example for 1.27 mm:
Example for 2.54 mm:
I also appreciate any hint how to perform this conversion on any other cheap way.
...
1
vote
1answer
39 views
Where can I find a TDFN/14 part definition for Eagle?
I'm new to Eagle (previously only worked with Fritzing) and I'm porting a layout into Eagle that uses the MAX98306 IC (http://www.maximintegrated.com/datasheet/index.mvp/id/7413).
I can't seem to ...
3
votes
1answer
83 views
Dimensions of SO8W package footprint
I'm looking for the pad dimensions and land patterns for the SO8W package. This page has drawings of many SO footprints, but no ...
0
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1answer
116 views
What is this IC marked IA89G or 1A89G?
Please I need a bit of your help. Do you know what IC is this marked IA89G or 1A89G perhaps? I've tried Googling but to no avail. I'm really wondering why this is such a hard nut to crack.
Here are a ...
1
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3answers
67 views
SU-48 footprint
This datasheet specifies the packages for the components, but not the associated footprints.
The package of interest for me is SU-48. The obvious search brings me to this outline, but still no ...
4
votes
1answer
141 views
Maximum number of pins/lands/balls on an IC package?
Background
I'm working on a free universal parts library tool. In an effort to optimize memory use and performance, I'm trying to work out the practical maximum number of pins you'd ever see on a ...
0
votes
0answers
25 views
LFSCP equivalent package or adapter
When prototyping I used to outsource my SMT soldering task to some website so that they solder it in a DIP adapter for me. Now, I need to test out a part but I found that is in this LFCSP package.
I ...
0
votes
1answer
136 views
capacitor termination style definitions
Mouser (for example) lists nearly 2 dozen termination styles to choose from in their part search filter. Some of these are intuitive and obvious, but I'd love to see an illustrated chart that ...
6
votes
4answers
384 views
Why are 10-pin DIP integrated circuits so uncommon?
This is a tangential thought from this answer, specifically the line "There are 10 and 12 pin DIPs".
After some searching around, I finally located only one 10-pin DIP part: NTE1450, 5 Watt audio ...
7
votes
2answers
369 views
How thick (or thin) is the die/wafer inside an IC?
There are packages as thin as 0.3 mm (maybe even less), so I was wondering how thin the actual die/wafer inside them are. I guess the package top and bottom will also need a certain thickness to be ...
5
votes
2answers
67 views
*EP pin connect to Ground
I was just wondering what is the function of the *EP pin on most TQFN package chips?
It says I should connect EP to ground, what happens if I don't ground it (I forgot)?
1
vote
1answer
179 views
Do multi-channel opto-triacs with common pins exist?
I am designing a circuit with many (4-128) copies of the same component. It's a 4-pin opto-isolator with opto-triac output. I am aware that the pin spacing and package width can't be much less in ...
1
vote
0answers
59 views
Why is this crystal so tall? [duplicate]
Possible Duplicate:
Does the frequency of a crystal influence its height?
I am looking at s and saw that there are some odd shaped packages. Is there a case where such a tall (13.46mm) ...
4
votes
3answers
443 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.
