Custom Taped Litz Wire for High-Frequency Transformer Windings
Our custom taped litz wire is engineered specifically for high-frequency transformer windings, delivering superior performance in demanding power electronics applications.
Key Features
- 800 strands of 0.07 mm Class 155 polyurethane enamelled copper wire with solderable properties
- Polyimide insulation - premium dielectric material with 6,000V minimum rating in round tape form
- Rectangular (flat) option available with 3,000V minimum breakdown voltage
- Reduces skin and proximity effects for minimized AC losses
- Enhanced heat dissipation and total efficiency
- Flexible construction for winding in compact or complex core geometries
- Fully customizable to meet specific voltage, dimensional, and performance requirements
Technical Specifications
| Item |
Tech Requirement |
Measured Value |
Result |
| Single Wire Diameter (mm) |
0.079-0.082 |
0.079 | 0.080 | 0.079 | 0.079 | 0.080 |
Qualified |
| Conductor |
0.070±0.001 |
0.069 | 0.070 | 0.070 | 0.069 | 0.069 |
Qualified |
| O.D. (mm) |
2.57-2.92 |
2.86 | 2.70 | 2.63 | 2.84 | 2.85 |
Qualified |
| Resistance (Ω/m) |
0.00535-0.00636 |
0.005567 | 0.005703 | 0.005771 | / | / |
Qualified |
| Dielectric Strength (V) |
≥4000 |
9360 |
Qualified |
| Configuration |
0.07X32X5X5 |
0.07X32X5X |
Qualified |
| Tape Overlap (%) |
≥50 |
50 |
Qualified |
| Bunching Direction |
S/S/S |
S/S/S |
|
Applications
Ideal for high-frequency transformers, medical equipment, aerospace applications, precision sensors, audio products, and power modules in consumer, automotive, and industrial power supplies requiring excellent heat dissipation and signal integrity.
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Frequently Asked Questions
Can I get samples for testing before placing a batch order?
Yes. Samples are either free or charged, but the shipping cost is borne by the customer.
What is your delivery lead time?
Sample orders: 3-5 working days; bulk orders: completed within 15 working days after order confirmation.
What is the procurement process?
Submit inquiry with requirements → Sample making → Sample approval → Quotation → Proforma Invoice (PI) → PI confirmation → Payment arrangement → Production → Shipment
Can I customize products with my own logo, size, and shape?
Yes, but the MOQ (Minimum Order Quantity) is subject to negotiation.
What are your payment methods?
T/T, D/P, L/C, PayPal.
Which courier services do you use?
FedEx, DHL, TNT, UPS, with discounts up to 80%.
What testing equipment do you have?
Laser diameter gauge, high-voltage spark tester, elongation tester, spring-back tester, withstand voltage tester, solderability tester, Resistance Tester etc.
Which customers or markets are your products suitable for?
Our products are ideal for applications requiring high efficiency and space-saving solutions in high-frequency AC environments, including power electronics & power supplies, EV on-board chargers, wireless charging systems, green energy, communications & IT, medical equipment, industrial robots, servo motors, etc.
Which countries or regions have you exported to?
Major markets include Europe and the US, as well as South Korea, Japan, India, and Southeast Asia.
How do you keep customer information confidential?
We can sign a non-disclosure agreement (NDA) upon request and commit to strictly abiding by its terms throughout the entire cooperation process.
All specifications are subject to standard manufacturing tolerances. Contact us to discuss your specific winding requirements and for detailed technical data sheets and custom specifications.
