Tianjin Ruiyuan Electric Material Co,.Ltd
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IEC STANDARD 2UEW 0.3MM SELF BONDING ENAMELED COPPER WIRE MAGNET WINDING WIRE FOR VOICE COILS
Enamelled copper wire comes in many different diameters, and with several different kinds of enamel. The diameters vary from less than that of a hair, to about that of a child’s finger. Different standards exist for the wire diameter. A very common one is American Wire Gauge, shortened to AWG, which is used in much of the world. Britain has its own standard, and in many countries the wire is specified simply by its diameter in millimeters.
| Size | Conductor | Insulation Thickness | Bonding Layer thickness | Overall Dia | DCR(at 20℃) | Breakdown voltage (V) | Elongation % | Bonding Strength(g) |
| 0.012 | According to DCR | Min0.001 | Min0.0005 | 0.014mm | 128.85-179.96 | Min100 | Min3.0 | Min 1 |
| 0.015 | According to DCR | Min0.001 | Min0.0005 | 0.020mm | 85.06-111.10 | Min120 | Min5.0 | Min 1 |
| 0.020 | ±0.001 | Min0.001 | Min0.002 | Max0.0260 | 54.0~57.0 | Min135 | Min6.0 | Min 1 |
| 0.025 | ±0.001 | Min0.002 | Min0.002 | Max0.0320 | 34.0~37.0 | Min165 | Min6.0 | Min 2 |
| 0.028 | ±0.001 | Min0.002 | Min0.002 | Max0.0360 | 26.9~28.4 | Min190 | Min6.0 | Min 2 |
| 0.030 | ±0.001 | Min0.002 | Min0.002 | Max0.0390 | 23.7~24.9 | Min210 | Min6.0 | Min 2 |
| 0.032 | ±0.001 | Min0.002 | Min0.002 | Max0.0400 | 21.5~22.5 | Min210 | Min6.0 | Min 2 |
| 0.034 | ±0.001 | Min0.002 | Min0.002 | Max0.0430 | 18.1~18.9 | Min250 | Min6.0 | Min 3 |
| 0.039 | ±0.001 | Min0.002 | Min0.002 | Max0.049 | 14.6~15.2 | Min100 | Min7.0 | Min 3 |
| 0.041 | ±0.001 | Min0.003 | Min0.003 | Max0.0500 | 12.9~13.6 | Min275 | Min7.0 | Min 3 |
| 0.046 | ±0.001 | Min0.003 | Min0.003 | Max0.0550 | 9.90～10.3 | Min360 | Min10.0 | Min 3 |
| 0.049 | ±0.001 | Min0.002 | Min0.003 | Max0.0580 | 8.90～9.40 | Min700 | Min10.0 | Min 5 |
| 0.065 | ±0.002 | Min0.003 | Min0.003 | Max0.078 | 4.85～5.20 | Min700 | Min12.0 | Min 5 |
| 0.068 | ±0.002 | Min0.003 | Min0.003 | Max0.083 | 4.60～4.80 | Min700 | Min12.0 | Min 5 |
| 0.070 | ±0.002 | Min0.003 | Min0.003 | Max0.086 | 4.30～4.50 | Min700 | Min12.0 | Min 5 |
| 0.075 | ±0.002 | Min0.004 | Min0.004 | Max0.086 | 3.77～3.97 | Min700 | Min14.0 | Min 8 |