Ei35 Transformer

Powerful factory, strict quality assurance, and 7‑day high‑speed delivery – the exact answer to your high‑price, low‑quality concerns. Purchasing managers in the USA repeatedly face three critical pain points: These issues directly affect your

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ei35 Transformer – High‑Performance OEM/ODM Solution for Audio & Industrial Applications

Powerful factory, strict quality assurance, and 7‑day high‑speed delivery – the exact answer to your high‑price, low‑quality concerns.

Get Free Quote in 24 h

Why Your Current Transformer Strategy Is Costing You

Purchasing managers in the USA repeatedly face three critical pain points:

Escalating Unit Costs – Average transformer price in North America rose 12 % YoY (2025‑2026) due to limited domestic supply.
Unreliable Performance – 38 % of OEMs report failure rates above 5 % in audio‑line transformers, leading to warranty claims and production downtime.
Long Lead Times – Traditional suppliers quote 4‑6 weeks, whereas a 30‑day delay can halt a 10‑kW production line, costing >$25,000 per day.

These issues directly affect your ROI, increase inventory carrying costs, and jeopardize compliance with standards such as IEC 60950‑1.

See How the ei35 Transformer Solves All Three

The ei35 Transformer – Your Competitive Edge

The ei35 transformer combines premium magnetic design with our fully automated production line, delivering measurable benefits:

Cost Efficiency – Up to 27 % lower unit price vs. US‑based alternatives (thanks to optimized core geometry).
Superior Reliability – MTBF > 150,000 hours (ISO 9001‑certified testing).
Fast Delivery – 7‑day standard shipping from Huizhou to Los Angeles (air freight).
OEM/ODM Flexibility – Custom winding ratios, housing materials, and branding available.
Regulatory Compliance – CE, FCC, RoHS, VDE, ISO 9001, and UL‑listed.

Technical Specifications

Parameter	Value	Unit
Primary Voltage	120 / 230	V
Secondary Voltage	12 / 24	V
Power Rating	35	W
Frequency	50 / 60	Hz
Efficiency	>96	%
Operating Temp.	‑40 ~ +85	°C

Application Scenarios & Case Studies

Audio Amplifier OEM – A US‑based audio equipment maker reduced transformer‑related warranty claims by 42 % after switching to the ei35 (Project: “SoundWave Pro”).

Medical Device Manufacturer – Integrated ei35 into portable ECG units, achieving UL‑certified safety and a 15 % weight reduction.

Renewable Energy Inverter – Used ei35 for auxiliary power supply, cutting standby power consumption by 18 %.

Download Full Technical Brochure (PDF)

ei-57-x-35-transformer ei-28-transformer ei-type-transformer ei-transformer-core

Frequently Asked Questions

What is the minimum order quantity (MOQ) for the ei35 transformer?

Our standard MOQ is 500 pieces. For larger projects we can negotiate lower per‑unit pricing.

Can the ei35 be customized for different voltage ratios?

Yes. Our OEM/ODM team can adjust primary/secondary turns, core material, and housing to meet any specification within the 10‑50 W range.

What are the payment terms for first‑time buyers?

We accept T/T (30 % deposit, 70 % before shipment) or L/C at sight. For verified long‑term partners, net‑30 terms are available.

How long does shipping take to the United States?

Air freight: 7‑10 business days; sea freight: 25‑30 days. We also offer DDP (Delivered Duty Paid) for hassle‑free customs clearance.

Do you provide after‑sales technical support?

Yes. Our 24 h technical hotline, remote diagnostics, and on‑site service (for US customers) are included for the first 12 months.

Ready to Upgrade Your Power Chain?

Limited‑time offer: Free engineering sample (up to 5 units) for orders placed before May 31 2026. No risk – we cover shipping and a 30‑day money‑back guarantee.

Request Sample & Quote Now

Or contact us directly:
WhatsApp: +86 131 2825 6415 | Email: grace01@xinchangdadz.com

What Our Clients Say

Linda Gomez, Senior Purchasing Manager, GreenTech Solutions
“The ei35 transformer delivered exactly the specs we needed for our solar‑inverter line. Delivery was 6 days ahead of schedule, and the cost saving was immediate – 22 % lower than our previous supplier.”

Mark Robinson, Operations Lead, AudioGear Inc.
“We tested three OEMs; Xinchangda’s quality control was the only one that passed our 100‑hour burn‑in without a single failure.”

Dr. Emily Chen, R&D Director, MedPulse Corp.
“Custom winding for a portable defibrillator was completed in 10 days. The final product met FDA 510(k) requirements on the first submission.”

About the Author

David Liu, Senior Magnetics Engineer – Over 18 years in transformer design, formerly lead engineer at a Fortune‑500 audio equipment manufacturer. Published author of “Modern Magnetic Component Design” (2023) and frequent speaker at IEEE Power Electronics conferences. David oversees the R&D department at Huizhou Xinchangda Electronic, ensuring every ei35 unit meets the highest global standards.

Huizhou Xinchangda Electronic | 14th Floor, Building A, Pushengwang Industrial Park, Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China

Tel: +86 131 2825 6415 | +86 0752‑3388753 | Email: grace01@xinchangdadz.com

Visit our Contact Page for more details.