Which shipping terms do you accept?

We accept FOB, EXW, and CIF international commercial terms.

Do you perform quality inspections?

Yes, we conduct 100% inspection including visual and function inspection for finished products.

What is the core type of the transformer?

The core type is a core-type transformer.

Customized High Frequency Ef20 Input 12V 24V Output 48V 100W EV Charger DC Adapter Step Down Transformer

Name: Customized High Frequency Ef20 Input 12V 24V Output 48V 100W EV Charger DC Adapter Step Down Transformer
Brand: Hangzhou Udwells Technology Co., Ltd.
SKU: 2231509235

Zhejiang, ChinaHangzhou Udwells Technology Co., Ltd.

US$0.20-1.50

1,000 Pieces

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier, Audio

Phase

Single

Model NO.

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001

Usage

Single-phase Transformer

Frequency Characteristics

High Frequency

Operating Temperature

-40ºCTO +125ºC

Storage Temperature

-25ºCTO+85ºC

Item

High Frequency Transformer

Model

Ee/Er/Ec/Eel/Efd/RM/Ei/Uu/Pq/EDR/EPC/Ef/Pot/Etd

Customize

Yes

Transport Package

Export Standard Carton and Strong Pallet

Specification

EE Series High Frequency Transformer

Origin

Zhejiang

HS Code

8504401990

Production Capacity

200000 PCS/Month

Key features

Wide Model Range: Available in EE, EI, EPC, ETD, PQ, RM, UU series with various dimensions.

High Frequency Performance: Designed for high frequency applications in power, electronic, and audio systems.

Customization Support: Offers full customization, flexible customization, and minor customization options.

ISO9001 Certified: Manufacturing process meets ISO9001 quality management standards.

Dry Type Cooling: Utilizes dry-type transformer cooling method for safe and efficient operation.

Multi-winding Design: Features multi-winding transformer structure for versatile electrical applications.

Broad Temperature Range: Operating temperature from -40 to +125 degrees Celsius and storage from -25 to +85 degrees Celsius.

OEM and ODM Services: Provides OEM and ODM services with customization from samples and designs.

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: ≤4.28h

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.