Do you provide OEM and ODM services?

Yes, both OEM and ODM services are available for this product.

What quality control measures are in place?

We perform 100% inspection on finished products, including visual and function inspections.

Drum Core Small Common Mode EMC Choke PCB Coil Inductor

Name: Drum Core Small Common Mode EMC Choke PCB Coil Inductor
Brand: Hangzhou Udwells Technology Co., Ltd.
SKU: 2121176492

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

Wide Customization Range: Customizable work frequency (20kHz-500kHz), inductance (0.001-10mH), and resistance.

Diverse Core Materials: Available in Ferrite and Nanocrystalline cores for various application needs.

Extensive Bobbin Options: Supports EE, UU, ET, SQ, FT, Toroidal, Peaking/Drum, Rod, and SMD types.

OEM/ODM Services: Full OEM and ODM services available with flexible customization options.

High Quality Inspection: 100% visual and function inspection for all finished products.

Fixed Inductor Design: Designed as fixed inductors with single coil structure for high frequency.

Fast Lead Time: Average lead time within 15 workdays or one month depending on season.

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: ≤4.68h

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.

Product Q&A

Q:What customization options are available?

We offer full customization including from samples, designs, and flexible minor customizations. Work frequency, inductance, and resistance can be customized.

Q:What are the available core materials?

The product is available with Ferrite cores and Nanocrystalline cores to suit different application requirements.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 2000 pieces.

Q:What is the lead time for production?

The average lead time is within 15 workdays during off-season and within one month during peak season.

Q:What payment terms are accepted?

We accept T/T (Telegraphic Transfer) as the term of payment.