2UEW/3UEW 155/180 0.4mm Enameled Copper Winding Magnet Wire
0.4mm enameled copper wire is usually used to make electromagnetic coils, motor windings, transformer windings, coils and electromagnetic inductors, etc. It is widely used in electronic equipment, home appliances, automobiles, aerospace and communication equipment and other fields.
Product |
2UEW/3UEW 155/180 0.4mm Enameled Copper Winding Magnet Wire |
Key word |
2UEW/3UEW 155/180 0.4mm Enameled Copper Winding Magnet Wire |
Test Item |
Unit |
Standard Value |
Reality Value |
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1st Sample |
2nd Sample |
3rd Sample |
|
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Appearance |
Smooth & Clean |
OK |
OK |
OK |
OK |
|
Conductor Diameter |
0.400± |
0.004 |
0.400 |
0.400 |
0.400 |
OK |
Thickness of Insulation |
≥ 0.025 mm |
0.032 |
0.033 |
0.032 |
OK |
|
Overall Diameter |
≤ 0.437 mm |
0.432 |
0.433 |
0.432 |
OK |
|
DC Resistance |
≤ 0.1400 Ω/m |
0.1345 |
0.1354 |
0.1343 |
OK |
|
Elongation |
≥ 27 % |
31 |
32 |
30 |
OK |
|
Breakdown Voltage |
≥ 2900 V |
4563 |
4132 |
3986 |
OK |
|
Pin Hole |
≤ 5 Faults/5m |
0 |
0 |
0 |
OK |
|
Continuity |
≤ 25 Faults/30m |
0 |
0 |
0 |
OK |
|
Test Items |
Technical Requests |
Results |
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Adhesive |
Coating layer is good |
OK |
||||
Cut-through |
200℃ 2mins no breakdown |
OK |
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Heat Shock |
175±5℃/30min no crack |
OK |
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Solder Ability |
390± 5℃ 2Sec Smooth |
OK |