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Thread: Where to buy electrical components??

  1. #11
    Variable Bitrate
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    Well, I'm confident I can build it. I just need to know exactly what parts to use; that's all. I have experiance with soldering and circuit boards, I just do not know what components to buy.

  2. #12
    Variable Bitrate
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    So, I can not figure out the rest of the part numbers to order. Can anyone lend a hand? Also, shipping from Mouser is about $5.50; half of what digikey charges. So, I should be able to get all the components for under $10, not bad.

    Scott

  3. #13
    Maximum Bitrate kiltjim's Avatar
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    Well, now that I looked at it, for 5A out you are definetly want regular thru-hole resistors, and something that is a little higher wattage. They shouldn't need to be more than 1w. But I'd prefer to have someone better than I look at the circuit.

    And nevermind that inductor I pointed you to. Use this one: 70-IH-3-50
    The other one would never handle the current.
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  4. #14
    Variable Bitrate
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    kiltjim - Alright thanks for all your assistance.

    Can anyone else out there figure out a more detailed parts list for this project?

  5. #15
    Low Bitrate
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    http://digikey.com is good. but sometimes the selection can be overwhelmind
    http://mouser.com is another good one
    Allied Electronics and Newark are good for more electromechanical types of things.
    http://jameco.com is pretty good too. Think of it as what radio shack used to be only lager


    Some good surplus suppliers that usually have good deals are:
    http://allelectronics.com
    http://bgmicro.com

  6. #16
    FLAC evandude's Avatar
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    picking out parts from digikey is a lot easier than mouser, their organizational system is far better IMHO... however none of your components are very odd so it should be a no-brainer to pick them out...

    if you are really having that much trouble, then find an item close to what you want, and download the catalog page (available as a PDF) and then just change the page number in the address bar to browse nearby pages. that way, you see some pictures of the items as well as all similar items grouped together. all the advantages of the catalog without having one in hand with mouser, I find that it is MUCH easier to do it that way. with digikey, I usually don't have to, but occasionally it's useful.

    then do yourself a favor, and order catalogs from digikey and mouser. both of them are very good about keeping you very well-supplied with catalogs, it seems like i get a new one all the time it will save you time in the future.
    But don't take it from me! here's a quote from a real, live newbie:
    Quote Originally Posted by Viscouse
    I am learning buttloads just by searching on this forum. I've learned 2 big things so far: 1-it's been done before, and 2-if it hasn't, there is a way to do it.
    eegeek.net

  7. #17
    Variable Bitrate
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    I understand how to browse the websites. I am unsure of what components I am actually looking for 1/2 watt 1/4watt?? 5%?? I don't really know what all this stuff means. For example, I know that a need a 2.7K Ohm resistor for one part. There are hundreds of differnt types of that resistor, which one is correct? I'm trying to find what the correct components to use with the MAX 724 are.

  8. #18
    Variable Bitrate markland556's Avatar
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    there are 1.4 watt resistors and 1/2 watt ones, just all the spece of the resistor. the 5% just tells what its limits are.
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  9. #19
    My Village Called 0l33l's Avatar
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    Quote Originally Posted by markland556
    there are 1.4 watt resistors and 1/2 watt ones, just all the spece of the resistor. the 5% just tells what its limits are.
    I think he's asking what the difference is between a 1/4 watt and a 1/2 watt resistor are (besdies the specs)

  10. #20
    Variable Bitrate
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    I'm just trying to figure out what the correct parts to use with the MAX724. I was hoping someone with a little more electrical background could outline what parts to use for this purpose.

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