All Questions
Tagged with manufacturing components
10
questions
9
votes
4
answers
3k
views
Why do manufacturers label differently seemingly identical components?
I am not sure if this is the relevant place to ask this (I think it is.)
I am still relatively new to the electronic design world, but I notice that a series of parts (example - Torex XCLxxx) can ...
6
votes
7
answers
2k
views
Component Tolerance Probability
This is more of a manufacturing question than anything else.
What is the probability distribution of component tolerances?
For example, let's say I ordered a 100 ohm, 5% resistor, and I order 100 ...
- 170
0
votes
1
answer
895
views
How to read Diode Numbering System
How do I read diode numbers. I read that the numbering system for US diodes is the JEDEC system. But I don't think the JEDEC system applies to diode numbers after 1N. Everywhere I look I cant only ...
- 13
3
votes
1
answer
29k
views
JL (or maybe something else) misterious branded IC's, what is the origin? [closed]
Edit 12/31/2019: Thanks to Mariano Dupont:
Found it: Zhuhai Jieli Technology zh-jieli.com
Take a look at this example of an IC found on a circuit board:
Brand is found on many PCB's of Chinese/...
- 1,355
11
votes
3
answers
3k
views
Can I assume counterfeit components?
I recently received a run of 10 PCBs from a manufacturer in China, and am worried they have begun to cut corners and source counterfeit parts. Here is why:
I had them do full turnkey production (PCB ...
- 1,657
6
votes
1
answer
1k
views
Should I avoid BGA?
I am designing a board and have found that a BGA component is cheaper than the larger footprint. I am curious if I should be reluctant to implement a BGA with regard to extra steps during ...
- 533
20
votes
5
answers
3k
views
Why are MAX-, AD-, LT- parts (among others) so expensive?
I'm curious why some IC manufacturers like Maxim, Analog Devices, and Linear Tech's parts are so expensive? I know they are much higher quality (better electrical characteristics, etc), but for some ...
- 6,184
0
votes
2
answers
327
views
Do any commercially available generic circuits use only discrete components? [closed]
I'm currently toying with embarking upon a totally crazy hobby project, which would prohibit the use of any component that cannot be 100% verified manually: obviously this completely rules out all ...
- 185
1
vote
1
answer
280
views
Manufacturing a device from off-the-shelf components [closed]
I pursue an experimental project that comprises the development of a car GPS navigation unit and software for it.
We develop and test the software on a working laptop-based prototype which has a USB-...
- 123
4
votes
4
answers
2k
views
How do you "shrink" electronic components, such as transistors, resistors and diodes?
I realize that these components have been shrinking in size. How is this process done? Should all electrical engineers know this?
