Hit enter to search or ESC to close
For Purchasing Managers, Technical Directors & Operations Leaders who need reliable power conversion without the premium price tag.
Get Free Quote in 24 hResult: Higher OPEX, missed market windows, and strained supplier relationships.
| Parameter | Value | Unit |
|---|---|---|
| Power Rating | 250 | kVA |
| Input Voltage | 100‑240 | V AC |
| Output Voltage | 12‑48 | V DC |
| Efficiency | ≥99.8 | % |
| Operating Temp. | -40 ~ 85 | °C |
| Dimensions | 120 × 80 × 45 | mm |
| Weight | 1.8 | kg |
Industrial Automation: 5,000‑unit batch supplied to a US‑based robotics firm, cutting their power‑failure rate by 92%.
Medical Imaging: Custom low‑noise ATX transformers for MRI auxiliary power, achieving <0.5 % THD and passing FDA 510(k) clearance.
High‑End Audio: OEM partnership with a premium speaker brand, delivering a 3‑dB SPL improvement across 20 Hz‑20 kHz.
tapped-transformer Full-bridge-transformer high-frequency-transformer-design custom-audio-transformers
Certificates: CE, FCC, RoHS, ISO 9001, VDE, CB, GS, SAA – all verified on request.
Standard production is 7 days; with custom tooling it extends to 14 days. Expedited shipping can deliver within 5 days after production.
Yes. We offer full OEM/ODM services, including custom labels, datasheets, and compliance markings.
We accept T/T (30 % deposit, 70 % before shipment) or L/C at sight for orders over $10,000.
Yes. We use UPS, FedEx, or DHL with DDP (Delivered Duty Paid) to any US address.

Free 12‑month warranty, 24 h technical hotline, and on‑site troubleshooting for critical installations.
Special Offer: First 100 orders receive a 10% discount + free 5‑unit sample kit.
John M., Procurement Manager – TechGear Inc., USA
“The ATX transformer arrived ahead of schedule, fully tested, and performed exactly as the datasheet promised. We saved 15% on our budget and avoided a costly redesign.”
Lisa K., Senior Engineer – MedPulse Ltd., Canada
“Xinchangda’s OEM service let us integrate a compact transformer into a handheld scanner. The low‑noise operation passed FDA verification without extra filtering.”
Mark R., Operations Director – SoundWave Audio, UK
“We needed a custom winding for a new speaker line. Their R&D team delivered a prototype in 3 days, and the final batch has been flawless.”