Tianjin Ruiyuan Electric Material Co,.Ltd
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CLASS 220 AIW 0.4x4MM SELF BONDING ENAMEL COATING FLAT COPPER WIER
Rectuangular or flat enameled copper wire consists two parts: width and thicness.When we describe the size, it likes thickness x width or width x thickness.Today most popular Notebook computers, wireless charger...and many other 3C products, are ever-possible designing to make its shape and structure become as light, thin, short and small as possible; while this development demanding the stricter characteristics of its coil, also resulting the conventional enamelled copper wire unfitted for the trend. This special demand for smaller-dimension and higher-efficiency makes the fiat-shape coil become the mainstream of the future, in response to this brand new trend, the Company successfully developed the "Enamelled Flat Copper Wire" for the market.
APPLICATION
Notebook coil.
Coils of printer.
Motors of CD driver.
Transformer.
wireless charger
| Item | Characteristics | Standard | Test Result | ||
| 1 | Appearance | Smooth Equality | Smooth Equality | ||
| 2 | Conductor Diameter | Width | 4 | ±0.060 | 4.023 |
| Thickness | 0.4 | ±0.009 | 0.4 | ||
| 3 | Thickness of Insulation | Width | 0.02 | 0.037 | |
| Thickness | 0.03 | 0.046 | |||
| 4 | Overall Diameter | Width | 4.1 | 4.06 | |
| (Including bonding layer) | Thickness | 0.45 | 0.446 | ||
| 5 | Pinhole | Max ≤3hole/m | 0 | ||
| 6 | Elongation | Min ≥30 % | 41% | ||
| 7 | Flexibility and Adherence | No crack | No crack | ||
| 8 | Conductor Resistance (Ω/km at 20℃) | Max 11.44 | 10.27 | ||
| 9 | Breakdown Voltage | Min 0.70kv | 1.9 | ||
| 10 | Heat shock | No Crack | No Crack | ||
|
| Conclution |
| Pass | ||