What certifications does the product have?

The product is ISO9001 certified.

What is the cooling method used?

The transformer uses a dry-type cooling method.

Ferrite Core Bobbin Efd20 Horizontal Ee2803 Ee2802 Ee2801 SMD PCB Small Electronic Transformer

Name: Ferrite Core Bobbin Efd20 Horizontal Ee2803 Ee2802 Ee2801 SMD PCB Small Electronic Transformer
Brand: Hangzhou Udwells Technology Co., Ltd.
SKU: 2201022665

Zhejiang, ChinaHangzhou Udwells Technology Co., Ltd.

US$0.10-1.00

500 Pieces

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier, Audio

Phase

Single

Model NO.

EFD

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001

Usage

Single-phase Transformer

Frequency Characteristics

High Frequency

Shape of Core

Efd

Operating Temperature

-40℃to +125℃

Storage Temperature

-25℃to+85℃

Customize

Yes

More Model

Etd Efd Ee RM Er Ef Efd Pq and More

Transport Package

Export Standard Carton and Strong Pallet

Specification

EFD Series High Frequency Transformer

Origin

Zhejiang

Production Capacity

200000 PCS/Month

Key features

Customization Available: Supports full customization, flexible customization, and minor customization from samples or designs.

High Frequency Performance: Designed for high frequency applications with AL values ranging from 500 to 2200 nH/N^2.

Multi-Application Support: Suitable for power, electronic, instrument, lighting, rectifier, and audio applications.

Dry-Type Core Construction: Features a core-type transformer design with dry-type cooling method for safety and efficiency.

ISO9001 Certified Quality: Manufactured under ISO9001 certification standards ensuring consistent product quality.

OEM/ODM Services: Factory offers both OEM and ODM services with 1 R&D engineer for new product development.

100% Finished Product Inspection: Every unit undergoes 100% visual and functional inspection before shipment.

Company profile

High Repeat Buyers ChoiceFast DeliveryPrivate MoldQuality Assurance

Hangzhou Udwells 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. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.35h

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.