What is the inductance range?

The inductance range is customizable from 0.001 mH to 10 mH.

What is the working frequency range?

The working frequency can be customized from 20kHz to 500kHz.

SMD Coils Air Core Coil Inductor

Name: SMD Coils Air Core Coil Inductor
Brand: Hangzhou Udwells Technology Co., Ltd.
SKU: 2241979325

Zhejiang, ChinaHangzhou Udwells Technology Co., Ltd.

US$0.01-1.00

1,000 Pieces

Product profile

Customization

Available

Type

Choke Inductor

Working Frequency

High Frequency

Model NO.

6*8

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

20kHz --500kHz

Inductance

0.001~10mh

OEM/ODM

Yes

Core Material

Ferrite

Winding Material

Copper Wire

Operating Temperature

-40°C to +125°C

Resistance

0.001~1000MΩ

Transport Package

Export Standard Package/Carton

Specification

CE, RoHs, UL certified

Origin

Zhejiang

HS Code

8504500000

Key features

Customizable Inductance: Inductance range from 0.001 to 10 mH available for customization.

Wide Frequency Range: Work frequency adjustable from 20kHz to 500kHz based on requirements.

OEM and ODM Services: Full OEM and ODM services available for custom designs and samples.

Diverse Core Materials: Offers both Ferrite and Nanocrystalline core options for various applications.

Flexible Customization: Provides flexible, minor, and full customization from samples or designs.

Extensive Bobbin Options: Wide selection of bobbin types including EE, UU, ET, SQ, FT, and Toroidal.

100% Product Inspection: All finished products undergo 100% visual and functional inspection.

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: ≤4.07h

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.