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Thread: 1kW smps project (based on MicrosiM design)

  1. #101
    diysmps Member* ludo3232's Avatar
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    New video + Hi res PDF of parts side.. all values are readable...

    PCB of Protection card comming soon ...

    Attached Files Attached Files

  2. #102
    diysmps Member* ludo3232's Avatar
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    Schematics of SMPS
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  3. #103
    diysmps Member* ludo3232's Avatar
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    Protection Board Schematics and PCB
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  4. #104
    could u post info of TR1 sealed transformer EI38-1 354049. Sorry hat i cant find it
    Last edited by terminaterx300; 05-02-2011 at 12:47 PM.

  5. #105
    diysmps Member* ludo3232's Avatar
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  6. #106
    smps master's
    thanks for sharing this nice project
    and sg3525 is good choice not hard to find
    does the core used by most pc psu rated in 400w is the one called etd49?
    how about the core can be found in an old pc monitor?and some old crt tv's is this useful for this project?

  7. #107
    Quote Originally Posted by engel View Post
    smps master's
    thanks for sharing this nice project
    and sg3525 is good choice not hard to find
    does the core used by most pc psu rated in 400w is the one called etd49?
    how about the core can be found in an old pc monitor?and some old crt tv's is this useful for this project?
    We can do something regarding those cores, I think they are ER39 or ER33 ones, they still can make 500W at least

    If you have succeeded into splitting the cores without crashing them, show some pictures here, I might be able to help!

    Dont forget that the PCB is Designed for ETD49!
    www.diysmps.com & www.Micro-Audio.com

  8. #108
    What about some core / winding data about the current transformer?

  9. #109
    Quote Originally Posted by ludo3232 View Post
    oh. it is a big trouble for me. i cant find it in Vietnam and on mouser ,farnell or digikey.

    I have a friend in European but in UK and distrelec not available in UK.what a pity

    Now i find someone in Germany to buy it for me.

  10. #110
    Quote Originally Posted by terminaterx300 View Post
    oh. it is a big trouble for me. i cant find it in Vietnam and on mouser ,farnell or digikey.

    I have a friend in European but in UK and distrelec not available in UK.what a pity

    Now i find someone in Germany to buy it for me.
    Any other transformer with 20VAC 3 ~ 5VA output will do the JOB, even an external one!
    www.diysmps.com & www.Micro-Audio.com

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