2USTC- 38AWG 125 strands Silk Covered Litz Wire For High Frequency Transformer

Short Description:

Single wire diameter: 0.10mm/38AWG

Number of strands:125

Thermal rating: class F(155°C)

MOQ: 20KG

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Product Detail

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Introduction

Silk-covered litz wire featuring 125 individual strands, each with a diameter of 0.1 mm, represents a pinnacle of precision engineering in high-frequency electrical components. This specialized conductor is meticulously constructed by twisting multiple finely drawn, individually enameled copper wires together in a specific geometric pattern. Furthermore, the entire bundle is wrapped with a layer of fine silk yarn, which adds an extra tier of mechanical strength and stability.

Standard

·IEC 60317-23

·NEMA MW 77-C

·customized according to customer requirements.

FAQ

What is the minimum order quantity(MOQ)?
The MOQ is 20kg.

2. What is your lead time?
The lead time is 15 days.

3. What is your warranty policy?
Within 2 years, any quality-related issues will be covered by a one-time full replacement of defective products.

4. What are your payment methods?

T/T, D/P, L/C, PayPal.

5. Which courier services do you use?
FedEx, DHL, TNT, UPS, with discounts up to 80%.

6. How are your products different from competitors'? What are your advantages?
We offer a full range of high-frequency magnet wire products, including litz wire, rectangular enameled copper wire, round enameled copper wire, triple-insulated wire, etc., to meet various requirements. We support small-batch customization, ensuring quality and delivery even during your R&D or startup phase.

7. What testing equipment do you have?
Laser diameter gauge, high-voltage spark tester, elongation tester, spring-back tester, withstand voltage tester, solderability tester, R esistance Tester etc.

8. 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.

9. 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.

10.How about your exact plastic spool of enameled wires?

Spool No.	Flange Diameter D		Barrel Diameter d		Inside Width W	Flange Thickness a	Bore Diameter h
P - 3	130		60		90	10	20
P - 20	270		140		115	15	35
PT - 4	D1	D2	d1	d2	170	15	26
PT - 4	124	140	74	86	170	15	26
PT - 10	160	180	96	110	200	15	30
PT - 15	180	200	96	110	200	15	30
PT - 25	215	230	110	130	250	15	30
PT - 60	270	300	150	180	350	25	45
PT - 90	300	315	180	200	410	40	100
PT - 200	375	400	224	250	530	50	100

Specification

1. General Information

Item	Description
Base Conductor	0.1mm Enameled Round Copper Wire (UEW/F)
Cover Material	Nylon
Construction	125 Strands

2. Technical Parameters & Test Results

Test Item	Unit	Technical Requirement	Test Sample Result
Single Wire Diameter	mm	0.110 ~ 0.125	0.110
Conductor Diameter	mm	0.10 ± 0.003	0.10
Overall Diameter (O.D.)	mm	≤1.73	1.55
DC Resistance (@20°C)	Ω/Km	≤ 19.62	18.21
Dielectric Strength	V	≥ 1,100	3260
Twist Pitch	mm	24 ±2	23.81

Application

Due to its exceptional thermal efficiency and low signal distortion, this silk-covered litz wire is indispensable in a wide array of advanced technological fields. It is heavily utilized in high-frequency power transformers, switched-mode power supplies (SMPS), resonant inductors, and wireless power transfer (WPT) charging pads. Moreover, it finds critical applications in radio frequency (RF) equipment, audio crossover networks, induction heating systems, and medical diagnostic machinery such as MRI scanner coils. For engineers designing modern compact, high-efficiency, and high-frequency electronics, this nylon serving litz wire is an optimal and reliable solution.

5G base station power supply

EV Charging Stations

Industrial Motor

Maglev Trains

Medical Electronics

Wind Turbines

Certificates

Customer photos

About us

Founded in 2002, Ruiyuan has been in the manufacture of enamelled copper wire for 20 years.We combine the best manufacturing techniques and enamel materials to create a high-quality, best-in-class enameled wire. The enameled copper wire lies at the heart of technology we use every day – appliances, generators, transformers, turbines, coils and much more. Nowadays, Ruiyuan has the global footprint to support our partners in marketplace.

Our Team
Ruiyuan attracts many outstanding technical and management talents, and our founders have built the best team in the industry with our long-term vision. We respects the values of each employee and provides them with a platform to make Ruiyuan a great place to grow a career.