Tianjin Ruiyuan Electric Material Co,.Ltd
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Custom Factory Price Polyurethanes Enamelled Winding Wire For Coil
Our ultra-fine enameled copper wire is a cutting-edge solution for the modern electronics industry. With its ultra-thin 0.03 mm diameter, durable polyurethane enamel coating and high temperature resistance, it is designed to meet the highest performance and reliability standards. Whether you're dealing with small devices like watch coils or more complex applications like headphone cables and tablets, this wire delivers the versatility and performance you need. Invest in the best 0.03mm ultra-fine enameled copper wire to take your electronic designs to the next level.
| 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 | ||