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Film Insulations of Magnet Wire
Film insulation for individual conductivity wire. Electric tough pitch copper.
Thermal Class
Insulation Type
NEMA Standard
IEC Standard
155° C
Polyurethane-155
MW79C
317-20
Polyurethane/Nylon
MW80C
317-21
180°C
Polyurethane-180
MW82C
317-51
Polyurethane Nylon-180/Polyamid
MW83C
NONE
Polyester-imide
MW30C
317-8
Polyester Nylon
MW76C
NONE
Solderable Polyester-imide
MW77C
317-23
Solderable Polyester-amide/Polyimide
MW78C
NONE
Bondable
NONE
317-37
200°C
Glass Fibers
MW44C/MW43C
NONE
Dacron® Glass
MW45C/MW46C
NONE
Polyester-200
MW74C
317-42
Polyester A/I Topcoat
MW35C/MW36C
317-13/317-29
Polytetrafluoroethylene (Teflon®)
NONE
NONE
240°C
Polyamide-ML
MW16C/MW20C
317-7/317-30
Further Information (pdf files):
Insulation Cross Reference
Thermal Classes
Insulation Film Guide
Film Builds Single - Quad
Dielectric Resistance Data
Film Insulation Characteristics
Litz Wire Serving Diameters
AWG 24-58 Resistance Data ohms/feet
AWG 24-58 Resistance Data ohms/meter
Wire Insulation Advantages & Disadvantages