Advanced Litz Wire Mil-W-81381 for Aerospace Industry Needs

• Customization: Available
• Insulation Level: C, H, F, B
• Certification: ISO9001, CE, RoHS
• Model NO.: LITZ
• Brand: Hongtong
• Application: Transformer, Instrument, Electrical Equipment, Motor
• Shape: Round Wire
• Conductor Material: Copper Wire
• Customizable: Yes
• Species: Litz Wire
• Delivery Time: 7-10 Days
• MOQ: 100 Kg
• Enamel Materials: Polyurethane, Polyester-Imide
• Transport Package: Standard Export Package with Pallets
• Specification: Φ 0.035mm-Φ 1.00mm
• Trademark: Hongtong
• Origin: China
• HS Code: 8544110000
• Production Capacity: 20000 Tons/Year

Product Description

Product Description

Litz Wire

Enamelled Litz wire is a kind of electromagnetic wire made of multiple enamelled single wires stranded together.

Litz wire

Litz wire is an electromagnetic wire composed of multiple enameled single wires twisted together.

Enamelled Litz wire is irreplaceable in high frequency, high temperature and high reliability scenarios through its unique stranding structure and material design.

 

 

Product Type	Litz UEW,LITZ HBUEW
Insulation Material	Litz UEW base coat UEW,Self-Bond Litz Wire base coat UEW self-bonding layer HB
Thermal values	130, 155, 180
Single Wire size	Φ0.035mm-Φ1.000mm
Product Standards	GB/T 6109,IEC60317,NEMA MW1000,JIS C3202, UL-approval

Product Range:

Product Features:
1.Improved flexibility
2.Reduced skin effect and eddy current losses
3.Reduced high-frequency losses
4.High temperature and corona resistance

Application field:
1.High-frequency electronic equipment
2.Medical devices and environmental protection equipment
3.Electric motors and appliances
4.Communications 

Related Products

At present, the company's main products are include: Enameled round copper wires of various thermal values; litz wire, Served Litz wire, taped Litz wire, and extruded Litz wires; Profiled Litz Wire. Diameter range Φ0.035mm-Φ1.000mm(AWG47-AWG18).The products are widely applied in major industries such as new energy, household appliances, automotive electrical appliances, instruments & meters, consumer electronics, mobile communications, etc.

Company Profile

Established in 2004, HANGZHOU HONGTONG WIRES CO.,LTD specializes in the R&D and manufacturing of high-performance enameled wires. With 20+ years of technical expertise, we deliver IEC-compliant solutions for global clients through our IATF 16949 certified production systems and UL-recognized (E326617) quality control.  


Our IATF 16949 certified manufacturing system ensures rigorous quality control throughout the production lifecycle:
 
1. Multi-Tiered Inspection 
 → Incoming copper rod: IEC 60468 conductivity testing  
 → In-process: 20+ parameter checks (film thickness, dielectric strength, flexibility)  
 →  Final QA: 100% batch traceability via barcode system  

2. Advanced Capabilities
   → Test equipment: Digital meggers, laser micrometers, torsion testers  
   → Compliance: Full adherence to IEC 60317 & UL 1441 standards  

Our Advantages

With dual manufacturing hubs spanning 53,000m², our facilities deliver 20,000+ tonnes annual capacity of precision enameled wires:  

*Hangzhou Base (Est. 2004)  
 → 23,000m² in Western Hangzhou  
 → Core focus: R&D & multi-process production  
 →260+ machines including:  
   - High-speed wire drawing machines  
   - Litz wire assembly systems (bunching/taping)  
   - Flat wire production lines  

*Xuancheng Base (Anhui Economic Zone)  
 → 30,000m² automated facility  
 → 19 continuous enameling lines  
 → 118 heavy-capacity drawing machines  
 → Primary output center for bulk orders  

→ Integrated IoT monitoring across both sites  

Certifications

Our manufacturing process strictly complies with IEC standards while integrating custom quality requirements. All production is controlled under IATF 16949 and ISO 9001 certified systems, with end-product quality validated by UL (E326617), RoHS, and REACH certifications.  

FAQ

Q1: What temperature classes do your enameled wires support?

A: Our wires cover 130°C (Class B) to 240°C (Class C) thermal grades:  
| Class | Max Temp |            Typical Applications        |  
|    B    |     130°C    | Household appliances, small motors |  
|    F    |      155°C    | Industrial pumps, dry-type transformers |  
|    H   |      180°C    | EV traction motors, HVAC systems |  
|    C   |      240°C    | Aerospace controls, oil-filled transformers |  
*Custom formulations available for extreme environments.*  

Q2: What wire diameters can you provide?

A: Standard range: Φ0.035mm-1.000mm (AWG47-23).  
→ Non-standard sizes: Custom orders from 5kg batch.  
→ Precision tolerance: ±0.002mm (per IEC 60317).  

Q3: Are your products RoHS compliant?
A: Yes, all wires comply with:  
✓ RoHS Directive 2015/863 (Certificate E326617)  
✓ REACH SVHC <0.1%  
✓ UL ECOLOGO® standards  

Q4: How to optimize wire selection for high-frequency transformers?
|     Factor     |     Recommendation    |   Technical Benefit   |  
|   Skin Effect  | Litz wire constructions |   Reduces AC losses >85% @100kHz   |  
|  Dielectric Loss |   Polyesterimide coating   |   Minimizes capacitance drift   |  
| Process Efficiency|   Self-bonding wires    |   Eliminates varnish process   |  

*Contact us for application-specific simulation reports.*