Do you provide OEM and ODM services?

Yes, both OEM and ODM services are available for our products.

What quality control measures do you have?

We perform 100% inspection on finished products, including visual and functional checks.

Sq Common Mode Choke Inductor 1mh 4mh 20A 30A

Name: Sq Common Mode Choke Inductor 1mh 4mh 20A 30A
Brand: Hangzhou Udwells Technology Co., Ltd.
SKU: 2231764575

Zhejiang, ChinaHangzhou Udwells Technology Co., Ltd.

US$0.15-1.80

1,000 Pieces

Product profile

Customization

Available

Type

Choke Inductor

Working Frequency

High Frequency

Model NO.

CM4

Structure of Winding

Single Coil

Nature of Operation

Choke Coil

Structure of Magnetizer

Ferrite Coil

Range of Application

Choke

Packaging Form

Power Coils

Inductor Value

Fixed Inductor

Customize

Yes

Work Frequency

10.0-100.0kHz

Inductance

Customize

OEM/ODM

Yes

Transport Package

Export Standard Package/Carton

Specification

CE, RoHs, UL certified

Origin

Zhejiang

HS Code

8504500000

Key features

Wide Inductance Range: Available from 0.5uH to 4.0mH to meet diverse circuit requirements.

High Frequency Performance: Optimized for 10.0-100.0kHz working frequency with ferrite core structure.

OEM/ODM Support: Full customization services including samples, designs, and flexible adjustments.

100% Quality Inspection: Every finished product undergoes visual and functional inspection before shipment.

Fast Lead Time: Standard delivery within 15 workdays, ensuring quick project turnaround.

High Current Capacity: Supports up to 20A-30A current, suitable for power coil applications.

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: ≤4.65h

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.