Types
Glass Fiber Covered Silicone Treated Bare Film-Insulated Square Copper Magnet Wire Thermal Class 200
Glass Fiber Covered Silicone Treated Heavy Square Copper Magnet Wire Thermal Class 200
Glass Fiber Covered Silicone Treated Film-Insulated Square Copper Magnet Wire Thermal Class 200. The glass fiber covering shall be treated with a modified silicone insulating varnish or silicone compound to provide a tough outer finish. If a tracer is used, one or more ends of glass yarn shall be black or green, and the dye or pigment used for this purpose shall be sufficiently stable so as to retain its color identity after the silicone treatment and subsequent baking.
Specifications
Single Glass Fiber Covered Film-Insulated Square Copper Magnet Wire—Minimum Increase and Maximum Overall Dimensions Due to Insulation:
Radii (±25%) Nominal | Heavy Film-Coated Single Glass Covered | |
Minimum Increase | Maximum Overall | |
1 | 0.279 | 8.738 |
1 | 0.254 | 7.798 |
1 | 0.254 | 6.985 |
1 | 0.254 | 6.274 |
1 | 0.254 | 5.613 |
1 | 0.229 | 5.029 |
0.8 | 0.229 | 4.521 |
0.8 | 0.229 | 4.039 |
0.8 | 0.229 | 3.632 |
0.67 | 0.229 | 3.277 |
0.67 | 0.229 | 2.946 |
0.5 | 0.203 | 2.642 |
0.5 | 0.203 | 2.388 |
0.4 | 0.203 | 2.159 |
0.4 | 0.203 | 1.956 |
Double Glass Fiber Covered, Bare or Heavy Film-Insulated Square Copper Magnet Wire—Minimum Increase and Maximum Overall Dimensions Due to Insulation:
Nominal Radii ±25% | Bare Double Glass Covered | Heavy Film-Insulated Double Glass Covered | ||
Minimum Increase | Maximum Overall | Minimum Increase* | Maximum Overall | |
mm | mm | mm | mm | mm |
1 | 0.33 | 8.788 | 0.406 | 8.915 |
1 | 0.305 | 7.849 | 0.381 | 7.976 |
1 | 0.305 | 7.036 | 0.381 | 7.163 |
1 | 0.279 | 6.299 | 0.356 | 6.426 |
1 | 0.279 | 5.639 | 0.356 | 5.766 |
1 | 0.279 | 5.055 | 0.356 | 5.182 |
0.8 | 0.279 | 4.547 | 0.356 | 4.674 |
0.8 | 0.254 | 4.064 | 0.33 | 4.191 |
0.8 | 0.254 | 3.658 | 0.33 | 3.785 |
0.67 | 0.229 | 3.277 | 0.305 | 3.404 |
0.67 | 0.229 | 2.946 | 0.305 | 3.073 |
0.5 | 0.203 | 2.642 | 0.279 | 2.769 |
0.5 | 0.203 | 2.388 | 0.279 | 2.515 |
0.4 | 0.203 | 2.159 | 0.279 | 2.286 |
0.4 | 0.203 | 1.956 | 0.279 | 2.083 |
Properties
Adherence and flexibility | Single or Double with underlying film: no cracks visible in the film insulation after 20% elongation. Examine with normal vision and without removing the glass fiber covering.Double without underlying film: not less than 75 V/mil (2950 V/mm) of minimum thickness of the glass fiber covering on one side. NOTE—The minimum thickness of the glass fiber covering is 35% of the maxi- mum increase in dimensions calculated from: Square 0.203mm-0.330mm |
Elongation | Not less than 32% for a thickness of 0.049 in. (1.25 mm) and greater, or 30% for a thickness less than 0.049 in. (1.25 mm) |
Springback | Glass fiber covered bare: not greater than 5ºGlass fiber covered Heavy film-insulated: not greater than 5.5º |
Dielectric breakdown | Not less than 90 V/mil (3543 V/mm) of the minimum thickness of the glass fiber covering on one side plus the minimum breakdown given in the film-insulated wire(Heavy 500-1500;Quad 900-2500), if applicable. NOTE—The minimum thickness of the glass fiber covering is 35% of the maxi-mum increase in dimensions calculated from:Single: 1.628mm-8.252mmDouble: 1.956mm-8.788mm |