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Designed for OEM/ODM manufacturers, medical device engineers, and industrial operations seeking reliable, low‑cost magnetic solutions.
Get Free Quote in 24 hResult: Your projects lose up to 12% in ROI, and your supply chain becomes a bottleneck.
Solve These Issues Now| Parameter | Typical Value | Unit | Compliance |
|---|---|---|---|
| Power Rating | 50‑500 | W | CE, FCC |
| Operating Frequency | 20‑200 | kHz | RoHS |
| Core Material | Ferrite (3C90) | - | ISO 9001 |
| Insulation Class | B | - | UL |
| Dimensions (L×W×H) | 30×20×15 | mm | IP20 |
John M., Procurement Manager – MedTech Corp (USA)
“The EE‑type transformer arrived in 9 days, met CE & FDA requirements, and cut our prototype cost by 18%. Xinchangda’s technical support saved us 2 weeks of engineering time.”
Linda S., Operations Director – GreenEnergy Ltd (Germany)
“We switched from a 2‑year lead‑time supplier to Xinchangda and now receive 5 kW units within 14 days. The product quality is ISO‑9001 certified, and the price is 13% lower.”



Our standard MOQ is 500 pieces. For prototype or evaluation, we can provide as few as 50 units with a 20% surcharge.
Yes. Our R&D team offers full OEM/ODM design—choose ferrite, powdered iron, or nanocrystalline cores, and specify turns, voltage, and frequency.
All units ship with FCC Declaration of Conformity, UL test reports, and a full Certificate of Origin. We handle customs documentation on request.
30% T/T deposit upon order, 70% balance before shipment. For verified accounts, we accept L/C at sight or PayPal Business for smaller orders.
Yes. Our 24/7 engineering hotline and email support cover installation, testing, and warranty claims (12‑month standard warranty).

Limited stock of pre‑tested EE‑type units – order within 48 h and receive a free sample plus money‑back guarantee if specifications are not met.
Mike D., Senior Engineer – PowerTech USA
“Xinchangda delivered the EE‑type transformer 3 days ahead of schedule. The low loss core improved our inverter efficiency by 12%.”
Sara L., Procurement Lead – MedSupply Europe
“The CE and FCC certificates were accepted instantly at customs. No delays, no extra fees.”
Tom W., CTO – GreenVolt (Australia)
“Custom winding allowed us to fit the transformer into a compact housing, saving 20% board space.”