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Different Types of IC Mounting

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    Different Types of IC Mounting

    Draft as of now. Will be improved.

    SOIC
    Stands for Small Outline Integrated Circuit. Looks like a DIP, but way smaller and surface mount. Used in tight spaces.


    QFP
    Stands for Quad Flat Pack. It's a large chip with legs on all four sides and SMT.


    DIP
    Stands for Dual Inline Package. This type of mounting has been around since the 1970s. Thru-hole.
    Attached Files
    Last edited by Chris1992; 10-09-2005, 01:37 PM.
    The great capacitor showdown!

    #2
    Re: Different Types of IC Mounting

    Your SMT devices are both "J-lead", i.e. the leads bend outward. Gull-wing (IIRC) leads bend inward, under the device. SOIC packages are often identified by the number of pins, e.g. SO-8, SO-14, or SO-16. I've seen some power MOSFETs in SO-8 packages.

    There also are BGA, "Ball Grid Array", parts, which have an array of little balls of solder on the bottom; you have similar little solder balls on the PBC, and the solder is reflowed for installation.

    On the small side, you may find reference ICs in SOT-23 packages, and op-amps or comparators in SOT-23-5 (5-pin) packages.
    PeteS in CA

    Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
    ****************************
    To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
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      #3
      Re: Different Types of IC Mounting

      Can I use my (Chrismas present) cold soldering tool on these? LOL

      I actually got 3 of them as gifts.
      They'r good for "regifting". LOL
      Jim

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        #4
        Re: Different Types of IC Mounting

        Pete, I would appreciate pics and thanks for the help. I knew about BGA but did not have a pic.
        The great capacitor showdown!

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