What certifications does the product have?

The product has ISO9001, ISO14001, UL, RoHS, and Reach certifications. CE certification can be obtained on request.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Sandwich Winding Power Supply Flyback Transformer for High Efficiency

Name: Sandwich Winding Power Supply Flyback Transformer for High Efficiency
Brand: Haining Liya Technology Co., Ltd
SKU: 2274462575

Zhejiang, ChinaHaining Liya Technology Co., Ltd

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

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier, Audio

Phase

Single

Model NO.

EI35*14

Core

Core-type Transformer

Cooling Method

Natural Cooling

Winding Type

Multi-winding Transformer

Certification

ISO9001, ISO14001, UL, RoHS, Reach

Usage

Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer, High-Frequency Switching Power Supplies

Frequency Characteristics

High Frequency

Shape of Core

Winding Material

Copper Wire

Core Material

Ferrite Core

Bobbin Material

Phenolic&Nylon Bobbin

Structure Type

Vertical&Horizontal

Transport Package

Carton

Specification

Customized

Trademark

Origin

China

Key features

High Efficiency Design: Low-loss magnetic core and optimized winding reduce iron and copper loss for better energy efficiency.

Compact Structure: Sleek design saves PCB space and meets high-density mounting requirements for electronic devices.

Wide Frequency Range: Operating frequency exceeds 10 kHz up to 1 MHz, ideal for high-frequency switching circuits.

Stable & Reliable: High-temperature resistant insulation and firm pin soldering ensure long-term operational stability.

Safety Compliance: Compliant with RoHS directives; UL, CE certifications available upon request for global markets.

Customization Options: Supports custom winding, core, bobbin materials and vertical/horizontal structures based on client needs.

100% Quality Testing: Strict IQC and 100% function/visual inspection before packing ensure batch consistency and reliability.

Fast Delivery: Standard products shipped within 7 working days after deposit; customized delivery via negotiation.

Company profile

High Repeat Buyers ChoicePatents AwardedStandardized quality controlFull Customization

Haining Liya Technology Co., Ltd

Zhejiang, China

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: ≤0.04h 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?

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?

Yes. Contact us directly for cooperation details.

Q:How do you control the quality?

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?

- 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).

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.