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For Purchasing Managers, Technical Directors & Operations Leaders who demand low‑price, high‑quality power solutions.
Get Free Quote in 24 hAccording to a 2025 IDC survey, 42% of tech manufacturers cite excessive component cost as a primary profit‑margin pressure.
Mean‑time‑between‑failures (MTBF) for sub‑par converters averages 3,500 hours, compared to 12,000 hours for premium designs—resulting in up to 15% production loss per year.
US‑based OEMs must meet CE, FCC, UL, and RoHS standards. Failure to certify can delay product launch by 4–6 weeks.
See How We Solve These Issues
| Product | Power Rating | Efficiency | Operating Temp. | Compliance |
|---|---|---|---|---|
| High‑Frequency Transformer | 10 W – 500 W | >95% | ‑40 °C ~ +85 °C | CE, UL, RoHS |
| Surface‑Mount Inductor | 0.1 µH – 10 µH | >98% | ‑55 °C ~ +125 °C | ISO 9001, FCC |
| Audio Crossover Network | 30 Hz – 20 kHz | >99% | ‑20 °C ~ +70 °C | CE, RoHS |
Medical Imaging Equipment: Customized 120 W transformers reduced power loss by 22% and passed FDA 510(k) clearance within 4 weeks.
Data‑Center Power Supplies: High‑efficiency inductors enabled a 15% reduction in cooling load for a Tier‑III facility in Texas.
AI Edge Devices: OEM design delivered a compact 5 W module, cutting board‑space by 30% and accelerating time‑to‑market.
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Inverter-Transformer High-voltage-transformers Industrial-dc-dc-converters Switching-mode-power-supply
Our standard MOQ is 1,000 pcs, but we can accommodate lower volumes (as low as 200 pcs) for rapid‑prototype projects.
Yes. All our products are tested in accredited labs and shipped with full compliance documentation.
Standard bulk orders (≥10,000 pcs) ship within 7 working days after artwork approval. Express shipping is available in 3 days.
Our 10 R&D engineers provide full DFM analysis, simulation, and layout optimization at no extra cost.

We provide a 12‑month warranty, on‑site technical support (US‑based), and a dedicated account manager for all post‑sale queries.
Still Have Questions? Get a Live Consultation
Limited‑time offer: Free engineering sample & 100% money‑back guarantee if performance doesn’t meet specs.
Request Your Free Sample NowOr call us directly: +86 131 2825 6415 (WhatsApp available)
John M., Procurement Manager – TechNova Inc.
“Xinchangda delivered a custom 250 W transformer 30% cheaper than our previous supplier. The 7‑day delivery kept our production line on schedule.”
Linda S., Technical Director – MedEdge Corp.
“The OEM design service reduced our PCB footprint by 28% and passed FDA 510(k) without any redesign. Highly recommend Xinchangda’s expertise.”
Michael T., Operations Manager – GreenEnergy Solutions
“Their high‑efficiency inductors cut our inverter heat generation by 18%, saving us on cooling costs. The after‑sales support is outstanding.”
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