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Ask an Expert Forum Reading Component Datasheets!
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Reading Component Datasheets!

cespecialist
cespecialist 7 days ago

I’m planning a practical post on how to interpret component datasheets for real designs—what the different parameters and graphs are actually telling you.

Before I start, I’d like to get some feedback: would this be useful to the community?

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  • colporteur
    colporteur 7 days ago +2
    Some twenty years ago, I worked with a electronic technician that made data sheets his bathroom read. I'm not sure if did it at home but I work, he would head off to the commode with a supplier tomb of…
  • dougw
    dougw 7 days ago +2
    Definitely a useful initiative. Very involved though - might want to tackle it with multiple posts covering specialized subsets like op-amps or transistors.
  • michaelkellett
    michaelkellett 7 days ago +1
    This sounds like a very ambitious project - if it was as well done as "The Art of Electronics" it could be useful. But that would require a great deal of knowledge and experience, as well as time and…
  • michaelkellett
    michaelkellett 7 days ago

    This sounds like a very ambitious project - if it was as well done as "The Art of Electronics" it could be useful.

    But that would require a great deal of knowledge and experience, as well as time and resource.

    But you describe it as a "post" which sounds a bit brief to be much use. 

    I think your best bet is to have a go, post it, and see what reaction you get.

    MK

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  • colporteur
    colporteur 7 days ago

    Some twenty years ago, I worked with a electronic technician that made data sheets his bathroom read. I'm not sure if did it at home but I work, he would head off to the commode with a supplier tomb of specs.

    His skill was unique. He could pop open the case of television and with VOM meter probes between two fingers of one hand locate the fault, without the aid of a schematic. He said he could retain knowledge from the spec books.

    Your project is ambitious. You could spend considerable time on spec sheets for transistors alone. I think it would be difficult to understand the spec sheets without some formal training. Good luck.  

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  • dougw
    dougw 7 days ago

    Definitely a useful initiative. Very involved though - might want to tackle it with multiple posts covering specialized subsets like op-amps or transistors.

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  • robogary
    robogary 7 days ago

    Anything cookbook is useful, the E14 community is comprised of alot of different skill sets.

    A datasheet can be dozens of pages of tables and graphs. I often only target datasheets key items, volts, amps, timing, only digging into charts and graphs if necessary as a design evolves.

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  • BigG
    BigG 6 days ago

    To be of value, for me anyway, it needs to be application orientated. So these posts need to define the problem you're trying to solve. This is an art in itself (and some of the Design Challenges can be used for guidance here). Then you need to demonstrate how, rather than simply what, the charts and different parameters are used from a datasheet to solve the design challenge. If you don't marry the two it becomes just another academic teaching exercise. I would certainly find it useful. I know I had this trial and error experience with TVS Diodes - it gets expensive when a board blows up or when it blows up some other kit attached during a compliance test.

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  • cespecialist
    cespecialist 6 days ago in reply to dougw

    Thanks for the feedback.  I'll start with couple of examples.

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  • cespecialist
    cespecialist 6 days ago in reply to robogary

    Thanks for your feedback. I agree. That’s very much how I approach datasheets as well.

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  • cespecialist
    cespecialist 6 days ago in reply to BigG

    Thanks, for your helpful feedback.  I'll make a beginning with a few examples and see how it goes.

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  • cespecialist
    cespecialist 6 days ago in reply to colporteur

    Thanks for your feedback.  I agree, it's a complex project, but want to see if this initiative makes reading datasheets a engaging activity for students and new engineers.

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  • acdc90
    acdc90 5 days ago in reply to cespecialist

    Hello great project, I have been repairing stuff for years and still get stuck at times, I have used basic data from data sheet then searched when repairing speed controls etc but couple of years ago I got stuck trying to find a equivalent Fet for (English made creek) or similar audio amp which was running class A, using fet in finals, what ever I tried failed if I find notes I will add the numbers, I am sure I posted a message on this forum,

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