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Round Copper PEI-2 Conductors

Insulation Class: H (180 °C)

A high performance coating, having a broad, almost universal application. PEI not only offers good dielectric strength, flexibility and abrasion resistance, but also high thermal resistance, improved aging resistance and increased production speed. The characteristics of magnet wire can be divided broadly into the categories of mechanical, electrical, thermal and chemical. Most thermal and chemical behaviors are related closely to the enamel formulations used. Mechanical and electrical parameters are more closely related to possible causes for failure of the wire to withstand the rigors of winding. 

PEI enamels are suitable for use in hermetic motors and oil cooled transformers. Applications for PEI enameled wire include motors, ballasts, chokes, transformers  and general electrical assemblies working at high temperatures. 

 

Table 1 - Characteristics.
Mechanical: Electrical:
Conductor diameter.
Overall diameter.
Springiness.
Flexibility and adherence.
Coefficient of friction.
Continuity of covering.
Breakdown voltage.
Resistance.
Thermal:
Heat shock.
Tan delta.

 

 

Table 2 - Common Properties.
Low yield strength. High thermal rating.
Insulation uniformity. Chemical resistance.
Low spring back. High low stress elongation.
High electrical conductivity. High coating strength.
Good flexibility. Good conformability.
High purity copper aluminum. Stability at high temperature.
 

 

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Last modified: June 29, 2001