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Ef25 Ef Small 120 Volts to 12 Volt Audio SMPS Transformer
US$0.21-0.33
500 Pieces
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, AudioPhase
SingleModel NO.
EFCore
Core-type TransformerCooling Method
Dry-type TransformerWinding Type
Multi-winding TransformerCertification
ISO9001Usage
Single-phase TransformerFrequency Characteristics
High FrequencyShape of Core
EfOperating Temperature
-40ºCTO +125ºCStorage Temperature
-25ºCTO+85ºCCustomize
YesODM/OEM
YesModel
Ee/Eel/Ei/Ec/Er/Ef/Efd/Etd/Pot/Pq/RM/Uu/UF/GuTransport Package
Export Standard Carton and Strong PalletSpecification
EF Series High Frequency TransformerOrigin
ZhejiangProduction Capacity
200000 PCS/MonthKey features
High Efficiency: Efficiency exceeds 95% for optimal power conversion performance.
Wide Frequency Range: Operates effectively within a high frequency range of 10kHz to 1MHz.
ISO9001 Certified: Manufacturing process meets international ISO9001 quality standards.
RoHS Compliant: Products are RoHS approved with SGS material reports available.
Custom Design Available: Full customization options including designs from samples and specifications.
High Power Density: Compact design offers high power density with lower profile and weight.
Rigorous Quality Testing: Every unit undergoes three tests before shipment to ensure quality.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤5.39h
AI-Powered supplier vetting
SummaryHANGZHOU UDWELLS TECHNOLOGY CO. Ltd. was founded in 2008 and reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, Europe as a primary export market, and peak-season order fulfillment within 15 working days. It provides multiple customization options, ODM services, and has launched new products within the past year. The supplier also reports OEM service for well-known brands and quality assurance in its quality-control processes. However, no R&D audit documentation, SDK, approved-supplier list, written service procedures, corrective/preventive-action procedures, or complaint-handling procedures were available. Overseas warehouses, showrooms, agents or branches, and offline trade-show participation were not reported. Financial information is insufficient for a credibility judgment, and sustainability-related fire-drill and environmental-assessment status is unknown.
After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service, but the supplier has no written procedures or records for effective service assessment, corrective and preventive actions, or customer complaint handling. It also has no overseas warehouse, showroom, agent, or branch, limiting evidence of structured or localized after-sales support.
R&D capabilityThe supplier reports new products within the past year, ODM capability, customization-related R&D services, and use of PS and CAD. It also reports OEM service for well-known brands. Countervailing evidence includes only one year of total R&D engineer experience, no available SDK, and no R&D design-input, output, review, verification, or validation documents for audit.
Production capacityThe supplier reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, complete testing facilities, and peak-season order fulfillment within 15 working days. These explicit operating-scale and delivery statements support a production-capability advantage, although the number of quality-control staff is listed as unavailable.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization. It also provides ODM services, demonstrating broad stated customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands and identifies Europe as a primary export market. These statements indicate some brand and export experience, but no customer names, project details, order references, or verifiable case documentation are provided.
Product Q&A
Q:Can the transformer be customized?
A:
Yes, we offer full customization, flexible customization, and minor customization based on samples or designs.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 2000 pieces.
Q:What certifications does the product have?
A:
The product is ISO9001 certified and RoHS approved.
Q:What is the lead time for production?
A:
Lead time is within 15 workdays or one month, regardless of peak or off-peak seasons.
Q:What is the frequency range of the transformer?
A:
The transformer supports a high frequency range from 10kHz to 1MHz.
Send Inquiry
*To:
Hangzhou Udwells Technology Co., Ltd.
Hangzhou Udwells Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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