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How to organize electronic components

Discussion in 'General Electronics Discussion' started by lefam, Dec 26, 2010.

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  1. lefam

    lefam

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    0
    Nov 18, 2010
    Hello guys.

    I have just started learning electronics. Now I have many components (breadboards, jumper wires, micro-controllers, resistors, capacitors, transistors, lcd, LEDs, ICs, etc).
    I keep most of my components (eg. resistors, capacitors, and transistors) in plastic bags. I store all my components in a drawer.

    I would like to know from you what is the best way to organize electronic components. Are they any tools to store them (that I can get from Digi-key, for example)?
     
  2. davenn

    davenn Moderator

    13,622
    1,882
    Sep 5, 2009
    I have since my young years in electronics, used small sliding plastic drawers that stack together, not at home at the moment else I would show a photo.
    They are great for keeping specific types of components in one place

    Dave
     
  3. shrtrnd

    shrtrnd

    3,754
    484
    Jan 15, 2010
    Use the black ESD foam or static shield bags for your static sensitive IC's.
    If you start accumulating a lot of IC's it'll help if you try to keep types separate, so you
    can find what you want faster. (CMOS, Linear devices, Logic, stuff like that).
    You can cut the foam to the plastic drawer size, and still keep the IC's in small drawers
    (Although they also make ESD safe 'plastic' drawers)
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,411
    2,779
    Jan 21, 2010
    Plastic bags in a desk is cheap :)

    I use a similar mechanism. Plastic bags in boxes (shoebox size).

    For smaller components I use small zip-lock bags. On each zip lock bag is a description of the contents, and most importantly a unique "stock" number.

    The stock number is repeated in a spreadsheet that contains all the information I need to search for, or re-order the item.

    Each box has a number, and this is also listed in the spreadsheet so that after finding the component I can go directly to the box it is in and look through the bags to find it. (looking for the prominently displayed number). I'd like to say that the bags are all in order, and I can go straight to the bag, but that would be a lie :D

    I don't bother putting particular things in particular boxes. I tend to put similar size bags together (so some boxes contain bags of very small components, or those few in number, and others contain bulky things.

    I can sort my spreadsheet by location, and this allows me to see what is in each box. This is useful if you ever want to do a "stock-take". It allows you to go through a box and verify its contents. I have only done this once (for all boxes), but it allowed me to find a few things that had walked into the wrong box, and some that had escaped entirely!

    I have one long box that holds tubes, a big box that stores reels, etc. I have quite a few boxes, and three which are most important are:

    1) A box to hold parts before I decide where to put them permanently (without this you'll lose stuff if you don't have time to file it somewhere. I also use this for components bought for a particular project that I'll probably use almost immediately.

    2) A box that holds bags of components that I've used and no longer need. If I can't put them back immediately, I dump them in here so they don't get lost.

    3) A box to hold components for the current project.

    I should probably add a fourth:

    4) The box that deliveries come in. Before things are entered into the spreadsheet they stay in their box, because otherwise they will also get lost.

    A vast number of my components are surface mount, and if you remove them from the bag you will quite often not be able to tell what they are. For this reason, it's vitally important to have things properly labelled. This is less of a concern for larger components.

    Once you have a spreadsheet of parts, you can use it to search for suitable components. Suitable may mean specifications or quantity.

    Through trial and error I have come up with the following columns:

    ID - The unique number on each bag, tag, and/or tube
    Manufacturer - Who made it
    Part number - Manufacturer's part number
    Type - Broad type of component (passive, semiconductor, module, hardware, ..)
    Sub-type - More detailed category (for passive; capacitor, crystal, inductor, resistor, ...)
    Sort - A sortable field containing the "most important specification" for that device. For resistors it is resistance, for transistors it is Vceo, for CMOS logic it is the 4000 or 7400 nearest equivalent)
    Package - the package (e.g. TO3, 0805, etc.)
    Style - TH or SMD
    Description - A text description, usually a summary of specs
    Data - Yes, or No (do I have a datasheet for this component)
    Qty - How many of these I bought
    Qty Used - How many I have used
    Date - Year and month of purchase.
    Cost ea - How much I paid for them (inc freight)
    Retail each - Cost for a single unit (ex freight)
    Bulk each - cost each in the quantity I ordered (ex freight)
    From - Who did I get them from
    Part No - The supplier's part number
    Location - Which box are they in
    3 cost columns - Calculated purchase cost of qty remaining by 3 methods
    Notes - any notes

    Here's an example:

    ID - 93
    Manufacturer - blank (unknown)
    Part number - KSC341G
    Type - hardware
    Sub-type - switch
    Sort - A001 (A is my *10^0 (*1) multiplier, 001 is the number - represents number of poles (1))
    Package - blank
    Style - SMD
    Description - Tactile switch
    Data - blank (no)
    Qty - 200
    Qty Used - 2
    Date - 2010-06
    Cost ea - 0.1261
    Retail each - 0.47
    Bulk each - 0.41
    From - ebay
    Part No - blank
    Location - Box02
    3 cost columns - 24.97, 93.65, 80.19
    Notes - blank
     
  5. davenn

    davenn Moderator

    13,622
    1,882
    Sep 5, 2009
    ok as promised

    am back from my little holiday here is a pic of part of my component drawer layout

    to quote an old saying .... "a place for everything and everything in its place" ;)

    Dave
     

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