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Custom windings using Litz wire

Former Member

For a design we are working on the hardware designer has specified a custom transformer and inductor both using Litz wire. For the proto-types he wound the coils himself and through trial and error soldered the Litz wire direct to the PCB (with difficulty). Now the design need to be made suitable to volume manufacture (10K parts) we are looking for a supplier who is experienced in custom windings using Litz wire and can produce parts with the Litz wire terminated to a component lead suitable for automated assembly and soldering (pref SMT) Does anyone have any suggestions for a supplier that can meet this requirement.

 

TIA

  • Hi Stephen,

     

    I have seen examples of Lytze wire inductive components with flying leads which were terminated to faston connectors.Ofcourse the Lytze has to be pretinned and soldered to the faston. A nice look would mean covering the ends with heat schrink tube.

     

    I have good experience with the following company: http://www.prisource.com.tw/ They can do a lot.

     

    Is there no possibilty wrapping the lytze wire on the transdformer pins? If the wire has to many strands you might consider paralleling 2 of more lytze wires with less strands and wrapping them to seperate pins and paralleling them on the PCB?

     

    image

     

    Best regards, Enrico Migchels

  • I see Epcos has the parts for producing these kind of transformers/coils, can't you ask them ? They will do it themself or have a list of companies that could do it for you.