Tianjin Ruiyuan Electric Material Co,.Ltd
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0.18mm Self Bonding Speaker Voice Copper Wire Winding Small Coil
The use of self-adhesive copper wire in the field of voice coils.
A voice coil refers to a device that produces sound, such as speakers and headphones. It can be flexibly wound into coils of various shapes and sizes, providing audio equipment with high-quality sound quality and sound expression. Whether it's a hi-fi system or professional recording equipment, our self-adhesive enameled copper wire can meet your needs.
| Name | 0.18mm Self Bonding Speaker Voice Copper Wire Winding Small Coil |
| Key word | 0.18mm Self Bonding Speaker Voice Copper Wire Winding Small Coil |
| Insulationh | Enamel |
| Thermal rating | 155 |
| Diameter of the enameled copper wire | 0.18mm |
| Test Item | Unit | Standard Value | Reality Value | ||
| Min. | Ave. | Max. | |||
| Conductor dimensions | mm | 0.18±0.003 | 0.180 | 0.180 | 0.180 |
| (Basecoat dimensions) Overall dimensions | mm | Max.0.226 | 0.210 | 0.211 | 0.212 |
| Insulation Film Thickness | mm | Min. 0.008mm | 0.019 | 0.020 | 0.020 |
| Bonding Film Thickness | mm | Min.0.004 | 0.011 | 0.011 | 0.012 |
| Continuity of coverin(50V/30m) | Pcs | Max.60 | Max.0 | ||
| Flexibility | / | / | |||
| Adherence | no crack | Good | |||
| Breakdown Voltage | V | Min.2600 | Min.4469 | ||
| Resistance to Softening(Cut Through) | ℃ | Continue 2 times pass | 300℃/Good | ||
| (390℃±5℃)Solder test | s | / | / | ||
| Bonding Strength | g | Min. 29.4 | 50 | ||
| Electrical Resistance(20℃) | Ω/m | Max.715.0 | 679 | 680 | 681 |
| Elongation | % | Min.15 | 29 | 30 | 30 |
| Breaking Load | N | Min | / | / | / |
| Surface appearance | Smooth | Good | |||
