Litzwire

Connection Technologies for Litz Wires

Due to the many stranded nature of litz wires, terminating them often poses a challenge. The following table advises the connection technologies which are generally applicable for various insulations. Only the most important factors of influence have been classified. Many others, such as enamel type and insulation thickness of the single strands, heat resistance of the additional insulation, the stranding construction (tight/compact or wide/flexible), have not been addressed.

  Litz wires without additional insulation Litz wires with additional insulation
overall diameter < 1.0 mm overall diameter ≥ 1.0 mm Serving Extrusion Taping
Connection technology many fine single strands* few heavy strands** many fine single strands* few heavy strands**
Soldering dip/flow/hand/wave soldering dip/flow/hand/wave soldering dip/flow soldering dip/flow soldering dip/flow soldering dip/flow soldering dip/flow soldering
Mechanical skinning -- brushing -- brushing taking off serving, brushing if necessary stripping off coating, brushing if necessary off/opening the tape, brushing if necessary
Crimping (pre-stripped) possible possible possible possible possible possible possible
- welding
- thermocompression
- resistance
- ultrasonic sound
thermo-compression, ultrasonic sound thermo-compression, ultrasonic sound, resistance thermo-compression thermo-compression, ultrasonic sound, resistance Thermocompression (nylon) thermocompression mechanical removal of additional insulation recommended

* nom. diameter ≤ 0,100 mm

** nom. diameter > 0,100 mm


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