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solder paste for smt functions

Discussion in 'Electronic Design' started by tim gorman, Jan 4, 2005.

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  1. tim gorman

    tim gorman Guest

    I've been using regular soldering equipment for smt stuff like SOIC chips.

    I'm getting ready to move to even smaller stuff like LQPF packages and is
    probably time to start using equipment designed for this.

    What's the best place to get solder paste in small quantities (I'm not doing
    production work just prototyping work as part of my ham radio hobby)?

    tim ab0wr
  2. Rob Gaddi

    Rob Gaddi Guest

    Wassco ( sells 35g syringes of paste for about 1/3 of
    what Digikey wants.
  3. Jamie Morken

    Jamie Morken Guest

    I went down to a local PCB assembly shop and got a free syringe of
    expired solderpaste and it worked fine. I think for prototyping the
    specs can be a lot less than if you are doing production work.

  4. Dmitri

    Dmitri Guest

    tim gorman wrote:

    Check with Topline, see if they will be willing to send you a sample (see
    link on this page)

    Good luck!

    Dmitri Abaimov, RCDD
    Cabling Forum, color codes, pinouts and other useful resources for
    premises cabling users and pros
    Residential Cabling Guide

    Article posted with Newsgroup Archive
    no-spam read and post WWW interface to your favorite newsgroup - - 9603 messages and counting!
  5. tim gorman

    tim gorman Guest


    Thanks for the recommendation. They are just what I was looking for.
    Reasonable price too.

  6. Boris Mohar

    Boris Mohar Guest

    If by equipment you mean stencil and solder paste, than go ahead. If you
    are going to syringe the soldepaste in pads you are going to make a mess. I
    suggest 0.015" pitch solder (Digikey) fine tip and stereo microscope.


    Boris Mohar

    Got Knock? - see:
    Viatrack Printed Circuit Designs (among other things)
  7. Tim,

    You might also check out HMC Electronics (
    and Techni-Tool ( Their prices seem to be a little cheaper
    than Wassco.
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