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OEM EI Series Class 2/3 Step Down Transformer with UL5085 approval
US$3.25
500-4,999 Pieces
US$2.98
5,000+ Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableApplication
Power, ElectronicPhase
SingleModel NO.
AL-EI1Core
Core-type TransformerCooling Method
Dry-type TransformerWinding Type
Auto-transformerCertification
ISO9001-2000, ISO9001, CEUsage
Single-phase TransformerFrequency Characteristics
Low FrequencyShape of Core
EIBrand
AL TRANSFOWorking Frequency
50Hz or 60HzStorage Temperature
-25c to +85 COutput Voltage
0~36VWorking Moisture
30-90%Temperature Rise
Less Than 20 CInput Voltage
0~250VWinding Material
100% CopperAdvantage
Best Price & Best Quality in ChinaOEM
AcceptableQuality
100% TestedWeight
0.68kg~1.23kgTransport Package
Export Carton on Strong PalletSpecification
6pcs/boxTrademark
ALOrigin
ChinaHS Code
85043190Production Capacity
5000PCS/15daysKey features
UL5085 Certification: Class 2/3 transformer with UL5085 approval for enhanced safety compliance.
Customizable Output: Output power adjustable from 1.0VA to 500VA based on customer needs.
Customizable Input: Input voltage supports AC 100V-240V and 50/60Hz to be customized.
100% Copper Winding: Winding material is 100% copper ensuring high transmission efficiency.
Low Temperature Rise: Temperature rise is less than 20 C for stable operation.
29 Years Experience: Manufacturer with 29 years of experience in transformer and inductor manufacturing.
OEM & ODM Service: Acceptable OEM and ODM services with total design solutions provided.
RoHS Compliance: Fully compliant with RoHS standards for environmental safety.
Company profile

Business Type: Manufacturer/FactoryExport Year: 1993-02-11Nearest Port: shanghai, shengzhenAverage Response Time: ≤9.18hTerms of Payment: T/T, D/P, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryAL TRANSFO TECHNOLOGY Co., Ltd is identified as a trading company that researches and sells power supplies, chargers, coils, transformers, inductors, reactors, wiring harnesses, and electronic appliances. Its company description states that it designs and manufactures transformers, inductors, chokes, power supplies, and cable assemblies, with ISO 9001 and ISO 14001 certifications reported. The supplier offers flexible customization and has approximately eight years of export experience, with 90% of total sales from exports. However, the provided assessments report one R&D engineer, no new products in the past year, no ODM, OEM for popular brands, SDK, in-stock, overseas warehouse, or overseas showroom capability. Service-management weaknesses include no written procedures or records for supplier assessment, corrective actions, or complaint handling. No Fortune 500 cooperation is reported, while repeat-buyer preference is stated at 50%–80%.
CertificationsThe company description states that ISO 9001 and ISO 14001 certifications were earned through the SGS system. These statements provide explicit evidence of the reported certifications, although no certificate validity dates or certificate documents are provided.
After-Sales capabilityThe supplier is reported to have no in-stock service capacity, no overseas warehouse, and no overseas showroom. It also has no written procedures or records for customer complaint handling, service-capability assessment, or corrective and preventive actions, indicating a documented after-sales and service-management deficiency.
R&D capabilityInnovation evidence is weak: the supplier is reported as having one R&D engineer, no new products launched in the past year, no ODM service, no available SDK, and no 3D software design service. Although flexible customization and claimed R&D/manufacturing capabilities are mentioned, the explicit recent-product and resource data indicate a deficiency in demonstrated innovation capability.
Customization capabilityFlexible customization is explicitly reported, and the company description states that its products can be custom made according to customer requirements. This is directly supported by both the capability assessment and the supplier’s own product description.
Client casesThe supplier reports no OEM service for popular brands and no cooperation with Fortune 500 companies. A repeat-buyer preference of 50%–80% is reported, but no named customer cases or independently specified reference projects are provided.
Product Q&A
Q:What is the lead time for samples?
A:
3-5 working days.
Q:What is the lead time for mass production?
A:
7 to 15 working days or depending on order quantity.
Q:What should be provided to make a custom transformer?
A:
Supply drawing is best, or tell us the size, inductance, resistance and etc.
Q:What are the payment terms?
A:
T/T, Western Union, PayPal or negotiation.
Send Inquiry
*To:
AL Transfo Technology Limited
AL Transfo Technology Limited*Content:
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