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Toroidal Hf Transformer with Copper Wire and Phenolic Bobbin
US$0.12
500-4,999 Pieces
US$0.08
5,000-19,999 Pieces
US$0.05
20,000-49,999 Pieces
US$0.02
50,000+ Pieces
Product specifications
Customization
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableApplication
Power, Electronic, Instrument, Lighting, Rectifier, AudioPhase
SingleModel NO.
EFD20Core
Core-type TransformerCooling Method
Natural CoolingWinding Type
Multi-winding TransformerCertification
ISO9001, ISO14001, UL, RoHS, ReachUsage
Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, High-Frequency Switching Power SuppliesFrequency Characteristics
High FrequencyShape of Core
EfdWinding Material
Copper WireCore Material
Ferrite CoreBobbin Material
Phenolic&Nylon BobbinStructure Type
Vertical&HorizontalTransport Package
CartonSpecification
CustomizedTrademark
LYOrigin
ChinaKey features
Wide Operating Temperature Range: Ensures stable performance in various harsh environments.
Low-Loss Magnetic Core: Optimized winding process reduces iron and copper loss for high efficiency.
Compact Design: Sleek structure saves PCB space and meets high-density mounting requirements.
RoHS Compliant: Meets safety standards; UL and CE certifications available upon request.
100% Quality Testing: Strict IQC and final inspection guarantee batch consistency.
Customization Available: Supports customization from samples, designs, and full customization options.
Fast Frequency Response: Ideal for high-frequency switching circuits with rapid dynamic response.
ISO 9001 Certified: Manufacturing process adheres to rigorous international quality management standards.
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. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤0.09h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad customization, ODM/OEM service, 15 R&D engineers, nine patents, and new-product activity during the past year. Its quality and service procedures are documented and reportedly followed, while ISO 9001:2015 and ISO 14001 certifications are stated. However, the supplier has no overseas warehouses, showrooms, agents or branches, and reports no participation in offline trade shows. Financial credibility cannot be positively established from the provided data because the reported revenue, margins, current ratios and related figures are zero or inconsistent, while monetary figures are omitted here for privacy. Production capacity is also insufficiently evidenced because no quantity or size of quality-control test equipment is reported. The supplier has OEM experience with recognized brands but no Fortune 500 cooperation, and R&D documentation is unavailable for auditor review.
Supplier typeThe supplier provides ODM services, OEM services for recognized brands, and multiple forms of design-based customization. This supports classification as an OEM/ODM and customization-oriented supplier rather than a purely standard-product supplier.
CertificationsThe supplier states that it holds ISO 9001:2015 and ISO 14001 management-system certifications. Product compliance certification is listed only as “Others,” so the evidence supports management-system certification but does not establish specific product-standard certifications.
After-Sales capabilityThe supplier has written procedures and followed records for customer complaints, corrective and preventive actions, and service-capability assessment. However, it reports no overseas warehouse, showroom, agent, or branch, and zero countries served overseas, indicating documented complaint handling but limited overseas service infrastructure.
R&D capabilityInnovation evidence includes new-product activity during the past year, 15 R&D engineers, nine patents, and engineers assigned to develop products according to customer requirements. The absence of an available SDK and the lack of design input, output, review, verification and validation documents available for audit are limitations, but do not eliminate the demonstrated R&D capability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization and flexible customization. It also reports ODM capability and new-product activity, providing strong evidence of broad customization coverage.
Client casesThe supplier states that it provides OEM services for recognized brands and that it has no cooperation with Fortune 500 companies. The evidence confirms at least one category of branded-customer experience, but does not identify customers or provide verifiable case details.
Product Q&A
Q:How to get more product information?
A:
Reach us by email or online customer service, and we'll send you the latest catalog and price list promptly.
Q:Do you accept OEM/ODM orders?
A:
Yes. Contact us directly for cooperation details.
Q:How do you control the quality?
A:
We control product quality by IQC, and 100% quality testing before packing and delivery. We had passed ISO9001 certificate report.
Q:What's the delivery time?
A:
- Standard products: Shipped within 7 working days after deposit receipt;
- Customized products: Delivery time confirmed via negotiation (based on order quantity, specifications and production schedule).
Send Inquiry
*To:
Haining Liya Technology Co., Ltd
Haining Liya Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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