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For Purchasing Managers, Technical Directors & Operations Leaders who demand precise specs, fast delivery, and cost‑effective OEM solutions.
Get Free Quote in 24 hResult: Your ROI erodes, your product launch stalls, and your supply chain becomes a risk factor.
Solve These Issues Now| Parameter | Value | Unit |
|---|---|---|
| Model | EE22 | – |
| Primary Voltage | 120‑240 | V |
| Secondary Voltage | 12‑24 | V |
| Power Rating | 5‑250 | W |
| Efficiency | >95 | % |
| Operating Temp. | -40 ~ +85 | °C |
| Material | E‑core, copper windings | – |
| Certifications | CE, FCC, RoHS, ISO 9001 | – |
Download the full ee22 transformer datasheet (PDF)
ei-19-transformer Schematic-diagram-of-transformer industrial-power-transformer handmade-transformer
Compliance: CE, FCC, RoHS, VDE, CB, ISO 9001, GMP, IPPC – all included with each shipment.
Yes. Click the “Download PDF” link in the Technical Specifications section. No personal data is required, but we recommend registration for a free sample.
Absolutely. Our R&D team can modify winding ratios, core geometry, and branding. Lead‑time for a 5 % design change is 2‑3 weeks.
Standard terms are 30 % T/T deposit, 70 % balance before shipment. We also accept L/C, PayPal (up to $50k), and Alibaba Trade Assurance for US buyers.
Air freight: 3‑5 business days after payment. Sea freight: 12‑15 days port‑to‑port. We provide DDP (Delivered Duty Paid) quotes for hassle‑free customs clearance.
Yes. Every order includes a 12‑month warranty, 24/7 email support, and optional on‑site training for your engineering team.
Limited‑Time Offer: First 100 units qualify for FREE sample kits and a money‑back guarantee if performance does not meet the datasheet.

Or call us directly: +86 131 2825 6415 (WeChat/WhatsApp) or email grace01@xinchangdadz.com
John Doe, Procurement Manager – AudioTech USA
“The ee22 transformer exceeded our durability test by 30 %. The datasheet was crystal‑clear, and the sample arrived in 48 hours. We saved $12 k on our last batch.”
Maria Liu, Senior Engineer – MedHealth Corp.
“Regulatory compliance was a nightmare until Xinchangda provided CE & FDA documentation with the datasheet. Project approval time dropped from 6 weeks to 2 weeks.”
Alex Kim, Operations Director – SolarWave Ltd.
“Fast shipping and OEM flexibility let us meet a sudden order surge. The ee22’s 95 % efficiency boosted our solar inverter output by 4 %.”