Extruded Litz Wires
General
Extruded coatings applied to high frequency litz wires support increased flexibility, mechanical robustness, resistance to chemical substances, as well as electrical insulation. The flex life performance of extruded litz wire is improved considerably in comparison to standard constructions. Extrusion materials, wall thickness tolerance, and litz wire construction details can be selected and combined for optimal performance in a wide range of applications.
Features and benefits of extruded litz wires
- High resistance to mechanical stress
- Excellent flexibility
- Good resistance against oil and grease
- High dielectric strength
- Solderable above 410°C
Technical properties of extruded litz wires
Extrusion materials
| PA-F | PA-M | PA-T | PB-A | PB-B | TPE-E | TPE-F | TPE-S | |
|---|---|---|---|---|---|---|---|---|
| mod. Polyamide |
mod. Polyamide |
mod. Polyamide |
Polyether Block Amide |
Polyether Block Amide |
Polyester- Elastomer |
Polyester- Elastomer, flame retardant |
Polyester- Elastomer |
|
| Melting temperature, °C | 170 - 180 | 175 - 185 | 170 - 180 | 155 - 165 | 165 - 175 | 205 - 230 | 205 - 230 | 125 |
| Max. usage temperature, °C | 90 | 90 | 115 | 100 | 120 | 140 | 140 | 90 |
| Min. breakdown voltage, kV * | 4 | 3 | 3 | 3 | 3 | 3,5 | 3 | 3 |
| Color | transparent | transparent | transparent | transparent | transparent | transparent | white | white |
* at wall thickness of 0.2mm
Dimensions
| Diameter of sigle wires | 0.032 - 0.50 | mm |
| Outer diameter of litz wire | 0.5 - 3.5 | mm |
Applications
- Resistance wires for heating applications
- Smart Textiles
- Hearing Aids
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