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Magnet Wire. Please contact NEMA for information regarding the specific changes to the NEMA MW 1000 publication.
Half-Size Copper Magnet Wire Dimensional Values Derived from NEMA MW1000-2020 Standard SIZE DIAMETER (AWG) BARE COPPER (INCHES) RESISTANCE** (OHMS PER 1000 FT. AT 20˚C) FEET PER POUND POUNDS PER 1000 FT. CIRCULAR MILS MIN. NOM. MAX. MIN. NOM. MAX. NOMINAL 10 1/2 11 1/2 12 1/2 13 1/2 14 1/2.0952.0847.0755.0672.0599.0962.0856.0763.0679.0605.0971
The Sumitomo Electric magnet wire technical guide provides comprehensive information on the properties, applications, and specifications of various magnet wires.
Solid Copper Wire & Magnet Wire Data by AWG (25 to 50) Maximum Current: These ampacities are based on a very moderate rating of 700 circular mils per amp (cma). Determining a more accurate current rating depends on a variety of factors including the surrounding materials, permissible temperature rise, and specific usage of the wire.
Annex C provides a cross reference between NEMA and IEC magnet wire specifications. Annex D provides the formulas for determining dimensional requirements of round film-insulated magnet wire and dielectric breakdown, as well as cross-sectional area and resistance calculations.
Engineering data for copper magnet wire, based on NEMA / metric Area Recom. Typical Increase Increase kg/km m/kg ohms/kg wires / ohms / Winding Elon-(mm) (mm) (sq. mm) sq. cm cm 3 Tension gation AWG Min Nom Max Min Nom Max * Min Min Nom Max Min Min Nom Max Nom Nom Nom Nom Nom Nom (gram) % AWG 24,0 0,505 0,511 0,513 0,0818 0,0838 0,0859 0,025 0,531 0,541 0,551 0,048 0,554 0,565 0,577 0,204666 ...
When product miniaturization calls for tighter dimensional specifications, MWS Microsquare Magnet Wire® film-coated magnet wire allows design engineers to create compact coils and small motors that deliver more power in less space.
