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0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils

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0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils

Brand Name : Ruiyuan

Model Number : 0.04mm

Certification : UL/ISO9001/ISO14001/RoHS/Reach

Place of Origin : China

MOQ : 5kg

Price : Negotiation

Payment Terms : Negotiation

Supply Ability : 10Ton/week

Delivery Time : 2-15 days

Packaging Details : Carton

Product Name : 0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils

Thermal rating : 155

Insulation Material : Polyurethane

Diameter : 0.04mm

Conductor material : Copper

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0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils

Diameter Subdivision and Typical Application Examples

  • 0.02mm – 0.04mm (20μm – 40μm): The finest level. Commonly used in top-tier hearing aid voice coils, probes for certain miniature medical implants, and ultra-high-density research coils. Extremely difficult to handle, requiring specialized winding equipment.

  • 0.05mm – 0.07mm (50μm – 70μm): Mainstream ultra-fine wire range. Widely used in high-end TWS earphone voice coils, miniature inductors, and miniature RF transformers. One of the most critical materials for miniaturization in consumer electronics. 0.08mm –

  • 0.09mm (80μm – 90μm): Relatively "thick" fine wire. Used for small speaker voice coils, slightly larger power inductors, small relays, etc., striking a balance between performance and winding efficiency.

Test Items
 Requirements
 Test Data
1st Sample 2nd Sample 3rd Sample
Appearance Smooth & Clean OK OK OK
Conductor Diameter 0.040mm ± 0.001mm 0.0400 0.0400 0.0400
Thickness of Insulation ≥ 0.006 mm 0.0090 0.0100 0.0090
Overall Diameter ≤ 0.052 mm 0.0490 0.0500 0.0490
DC Resistance ≤ 14.433 Ω/m 13.799 13.793 13.785
Elongation ≥ 11% 18 20 19
Breakdown Voltage ≥325 V 989 1302 1176
Pin Hole ≤ 5 faults/5m 0 0 0
Adherence No cracks visible OK OK OK
Cut-through 230℃ 2min No breakdown OK OK OK
Heat Shock 200±5℃/30min No cracks OK OK OK
Solderability 390± 5℃ 2 Sec No slags OK OK OK

0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils


Product Tags:

0.04mm copper magnet wire

      

enamelled copper wire for motors

      

magnet wire for hearing aid coils

      
Quality 0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils for sale

0.04mm Copper Magnet Wire For Motor Hearing Aid Voice Coils Images

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