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Cut 30% of your power‑module cost while meeting CE & ISO standards – perfect for US manufacturers, audio equipment makers, and medical device producers.
Get Free Quote in 24 h1. High Purchase Price – Most off‑the‑shelf transformers cost 20‑35% more than a bulk‑produced OEM unit.
2. Inconsistent Quality – Low‑grade cores cause 12‑18% efficiency loss, leading to higher operating expenses.
3. Lengthy Lead‑time – Traditional suppliers in Europe/Asia ship in 6‑8 weeks, delaying product launches.
4. Limited Customization – Fixed winding ratios force redesign of PCBs and increase engineering hours.
5. Compliance Gaps – Missing RoHS or UL certifications expose you to regulatory penalties.
See How the ei 19 Transformer Solves These Issues| Parameter | Value | Unit |
|---|---|---|
| Primary Voltage | 120/240 | V |
| Secondary Voltage | 19 | V |
| Power Rating | 50 | W |
| Frequency | 50/60 | Hz |
| Tolerance | ±2% | – |
| Temperature Rise | ≤5 | °C |
| Certification | CE, RoHS, ISO 9001 | – |
• Audio Amplifiers – Reduced hum by 45% in a US‑based Hi‑Fi brand (Project A).
• Medical Imaging – Met UL 60601‑1 compliance for a portable X‑ray unit (Project B).
• Renewable Energy Inverters – Improved conversion efficiency by 3% for a solar‑farm OEM (Project C).
The standard MOQ is 500 pieces. For OEM/ODM projects we can lower it to 200 pieces with a 10% surcharge.
Yes. Our R&D team can adjust primary/secondary windings, core material, and shielding to meet any voltage up to 500 V.
30 % T/T deposit, 70 % balance against BL copy. We also accept L/C at sight for larger volumes.
Air freight: 3‑5 business days. Sea freight: 20‑25 days. We provide DDP (Delivered Duty Paid) for hassle‑free customs clearance.
All transformers come with a 24‑month limited warranty. Our technical support team is available 24 h via email, WhatsApp, or phone.
Limited stock of pre‑tested ei 19 units – order within 48 h and receive a **free engineering sample** plus **money‑back guarantee** if it doesn’t meet specs.
Request Quote Now Email Sales WhatsApp ChatCall us now: +86 131 2826 4155 (Mon‑Fri, 9 am‑6 pm CST)
Mark T., Operations Manager, GreenPower Inc. – “The 2‑week delivery saved our launch schedule. Cost per unit dropped from $4.80 to $3.20, giving us a 33% margin boost.”
Susan K., Procurement Lead, SoundWave Corp. – “Excellent OEM service. We received a fully branded ei 19 transformer with custom packaging in just 10 days.”
Dr. Ahmed R., Head of R&D, MedTech Solutions. – “Compliance was a nightmare until Xinchangda provided RoHS and UL certificates. Their after‑sales team helped us pass FDA audit on the first try.”
David Liu, Senior Magnetics Engineer – 12 years in magnetic component design, former lead engineer at a Fortune 500 audio OEM, now heading the R&D department at Huizhou Xinchangda Electronic. Holds a Master’s in Electrical Engineering (MIT) and is a certified ISO 9001 auditor.
Contact: grace01@xinchangdadz.com
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Certifications: CE, RoHS, FCC, CB, ISO 9001, VDE, UL, GS – all downloadable on our Certificates Page.