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Electrical Engineering

Questions tagged [pricing]

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23 questions
Newest Active Bountied Unanswered
10 votes
4 answers
2k views

A 10uF component on our BOM is obsolete and I'm going to pick a substitute. I have to admit, I'm a bit confused at the pricing. Supplier Part Number Unit Price Description Tolerance Op Temp Price 478-...
SeanJ's user avatar
  • 1,119
0 votes
1 answer
832 views

So I'm trying to design a 24V to 110V pure sine wave inverter, which I'd like to be able to do 2000W to handle running my portable A/C on battery. I get the whole H-Bridge MOSFET concept, and even ...
Pecacheu's user avatar
  • 223
3 votes
1 answer
442 views

Does anybody know of any reasons that the 560 Ohm resistor is so much cheaper than the other values? It does not appear to be a trend of price increasing or decreasing with resistance since there are ...
DKNguyen's user avatar
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0 votes
2 answers
72 views

I want to clarify this question with my real-world example: Say you have a device which contains some AC-DC converter (or DC-DC) for rather high power specs (10 kW up to 300 kW, not in the same ...
Vroomfondel's user avatar
  • 101
0 votes
1 answer
239 views

I had a talk with a friend the other day who told me that he had many issues with PCB-manufacturers in China (copying his product, long delivery times, bad quality) and that he had to sell his company ...
Cowboy_Patrick's user avatar
  • 41
5 votes
3 answers
531 views

Looking for some insight into what drives IC price discrepancies across suppliers. Espcially comparing places like digikey and mouser to aliexpress For example: I'm looking into buying Maxim ...
Dani's user avatar
  • 377
-1 votes
2 answers
385 views

I saw this kickstarter for a self cleaning water bottle. It's a pretty good idea, and is physically plausible, but I'm a bit skeptical about their UVC LED. UVC LEDs do exist (and they have a picture ...
BeB00's user avatar
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-1 votes
3 answers
1k views

I was looking at a selection of sensors on Digi-Key and I notices that while there are definitely a lot of expensive ones, there's also plenty of really cheap ones. For example, there's a gyroscope ...
Mu3's user avatar
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1 vote
1 answer
1k views

I would like to know how difficult it is to build your own camera module. For instance, how difficult would it be to assemble the Raspberry Pi camera module from scratch? The reason I'm interested ...
Lodrik's user avatar
  • 113
7 votes
1 answer
13k views

I contacted the Cadence office as a PhD student and also a faculty member to inquiry their price for an academic license. After 8 emails back and forth I noticed that they are not willing to answer ...
Dr. Ehsan Ali's user avatar
  • 876
9 votes
3 answers
1k views

Ever since high school, I've been using the same multi-meter. It works well for low voltage purposes, but I'm scared to use it for anything else (high voltage, unless it's a little zap from an ...
JustBeingHelpful's user avatar
  • 335
1 vote
0 answers
118 views

OK - maybe this is meta, so feel free to move it. I am looking for a 100 Ohm precision calibration standard. Seems a number of companies do them but all (so far) have a "Call for price". Why? Why can'...
Dirk Bruere's user avatar
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7 votes
3 answers
689 views

I am planning on carrying out a design using the CP2102 Interface IC. The cheapest price I can source (for bulk purchase of 1500 parts) is from Digikey at 2.34$/piece. A price of 2.34$ is ...
Harsha's user avatar
  • 197
4 votes
2 answers
2k views

I am working on prototyping a product and the ideal solution, from similar designs, seems to be using galvanometers, specifically mirror galvanometers. In doing my research the majority of ...
mkrinblk's user avatar
  • 205
5 votes
1 answer
2k views

I noticed recently that there's a large discrepancy in price between electrolytic caps that are surface mount and those that are through-hole, particularly at higher working voltages. Here's a good ...
PKL's user avatar
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