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magnet wire / winding wire engineering data Round Wire For round conductor, where the cross-sectional area may be more Circular Mil Area = D 2 conveniently expressed in Circular Mils, the following formulas are Square Mil Area = /4 D 2 = 0.7854 D D 2 useful: Square Inch Area = 0.7854 x 10-6 2 General Formula: Lbs./1000 Ft. = 0.00034047 (d) (D 2)
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.
copper magnet wire data size (awg) bare copper diameter (inches) resistance** (ohms per 1000 ft. at 20˚c) feet per pound pounds per 1,000 ft. circular
aluminum magnet wires. The data presented in this booklet is consistent with NEMA MW 1000 specifications and is applicable for all film and insulation types. The data is given to help in the application and design choices of copper and aluminum magnet wire. All information contained herein is believed to be reliable and accurate.
Miniature square and rectangular magnet wire for specialty coil and motor windings. 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.
Magnet Wire / Winding Wire Nominal Bare Wire Diameters — Whole AWG Size Whole AWG Size Diameter Inches Diameter mm Weight Lbs./1,000ft Resistance at 20°C Ohms/1,000ft 23 0.0226 0.574 1.546 20.31 24 0.0201 0.511 1.223 25.67 25 0.0179 0.455 0.9698 32.37 26 0.0159 0.404 0.7652 41.02
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 ...
