2UEW/3UEW155 Ultra Fine 0.03mm Enameled Copper Magnet Wire For Earphones
2UEW/3UEW155 Ultra Fine 0.03mm Enameled Copper Magnet Wire For Earphones
Ruiyuan's ultrafine enameled copper wire is a versatile, high-quality product that meets the needs of a wide range of industries. From electronics to medical devices, precision instruments, watch coils, and transformers, our enameled wire is designed to provide superior performance and reliability. With a focus on quality and innovation, we are committed to providing our customers with the best materials to support their engineering and manufacturing needs.
Choose Ruiyuan to meet your enameled copper wire needs and experience the difference that superior quality can make for your products.
| Characteristics |
Technical requests |
Test Results | ||
| Sample 1 | Sample 2 | |||
| Bare Wire Diameter | 0.030±0.001 | 0.030 | 0.030 | |
| Coating Thickness | ≥ 0.0025 mm | 0.0035 | 0.0035 | |
| Overall Diameter | ≤ 0.039 mm | 0.037 | 0.037 | |
| Conductor Resistance | ≤ 26.569Ω/m | 23.745 | 23.639 | |
| Elongation | ≥ 10 % | 15.4 | 14.7 | |
| Breakdown Voltage | ≥ 275V | 1350 | 1298 | |
| Pinhole Test | ≤ 2 holes/5m | 0 | 0 | |
| Continuity | ≤ 24 holes/20m | 0 | 0 | |
| Adherence | no crack visible | OK | ||
| Cut-through | 200℃ 2minsno breakdown | OK | ||
| Heat Shock | 175±5℃/30minno crack | OK | ||
| Solderability | 390±5℃ 2second no slags | OK | ||
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