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Power your audio, medical, renewable‑energy, and industrial equipment with precision‑engineered LLC transformers that cut costs by up to 30% and arrive in 7 days.
Get Free Quote in 24h| Parameter | Typical Range | Unit | Compliance |
|---|---|---|---|
| Power Rating | 5 W – 200 W | W | CE, UL |
| Frequency | 20 kHz – 200 kHz | kHz | RoHS |
| Inductance | 10 µH – 10 mH | µH/mH | ISO 9001 |
| Operating Temp. | ‑40 °C – +85 °C | °C | IEC 60721‑3‑3 |
| Packaging | Tape‑&‑Reel, Bulk, Custom Box | - | ISO 13485 (Medical) |
Audio Amplifiers (OEM): A U.S. hi‑fi brand reduced harmonic distortion by 22% after switching to our custom LLC transformer, cutting warranty claims by 18%.
Medical Imaging: A diagnostic equipment maker achieved FDA clearance faster because our transformers meet ISO 13485 and RoHS standards.
Renewable Energy Inverters: Our high‑temperature core enabled a solar‑panel manufacturer to operate at 85 °C continuously, extending inverter life by 12 months.
use-of-high-frequency-transformer couple-transformer 63-kva-dry-type-transformer-price Control-transformer
“Switching to Xinchangda’s LLC transformers cut our component cost by 28% and reduced lead time from 45 days to 7 days. The quality is rock‑solid.” – John M., Procurement Manager, AudioTech Corp.
We offer custom winding ratios, core materials (silicon steel, ferrite), package styles (SMD, through‑hole), and voltage‑current specifications. Our R&D team can deliver a prototype within 5 business days.
Standard air‑freight is 5‑7 working days from our Huizhou factory. Expedited express can be arranged in 3 days for urgent production runs.
Yes – free engineering samples (up to 5 pcs) are shipped after NDA sign‑off. No charge for the first trial batch.
24/7 technical hotline, 12‑month warranty, and on‑site engineering assistance for critical installations.
Our 14 automated lines support up to 450 k units/month. We have successfully fulfilled contracts for 20+ countries, including the U.S., Canada, and Europe.
Limited‑time offer: Free engineering sample + 10% discount on the first 10 k units. Stock is limited for the 2026 Q3 production run.

Or contact us directly: +86 131 2826 6415 | grace01@xinchangdadz.com
Emily R., Operations Manager, GreenVolt Inc.
"The custom LLC transformer reduced our inverter losses by 15% and arrived ahead of schedule. Xinchangda’s engineering support saved us weeks of design time."
Michael T., Procurement Lead, MedTech Solutions
"ISO‑9001 and FDA‑compatible parts are non‑negotiable for us. Xinchangda delivered flawless units, and their 12‑month warranty gave us peace of mind."
Sarah L., C‑Level, AudioDynamics Ltd.
"We cut component cost by 28% and accelerated our product launch by 3 weeks thanks to the 7‑day delivery. Highly recommend for high‑volume OEM projects."
David Chen, Ph.D. – Senior Magnetics Engineer with 18 years in transformer design, former Lead R&D at a Fortune 500 audio equipment manufacturer, and current Technical Director at Huizhou Xinchangda Electronic.
David has authored 12 IEEE papers on high‑frequency magnetic components and regularly consults for U.S. OEMs seeking cost‑effective, compliant solutions.