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Single Formvar Round Magnet Wire

Formvar is a synthetic enamel composed of polyvinyl acetal and phenolic resins.Formvar’s hot oil resistance sets it apart from all other magnet wire insulations. The flexibility, adhesion and abrasion scrape resistance of Formvar film is excellent. Its electrical properties are very good and it is resistant to common solvents. While Formvar has been replaced in many applications, Formvar continues to be the recommended film insulation most commonly used in oil-filled transformers.Typical ApplicationsOil-filled transformersMotorsRandom wound coilsSolenoids

Product #: MWRD38SF

Specifications

UL Listing UL Recognized Class 105 Product
Mil-Spec No. MW 15-C/A
AWG Size 38
Min. Bare Wire Diameter 0.0039 in
0.099 mm
Nom. Bare Wire Diameter 0.004 in
0.102 mm
Max. Bare Wire Diameter 0.0041 in
0.104 mm
Min. Increase in Diameter Due to Film Coating 0.0003 in
0.008 mm
Min. Overall Diameter of Film-Coated Wire 0.0042 in
0.107 mm
Max. Overall Diameter of Film-Coated Wire 0.0047 in
0.119 mm