---- July 12th 2024 ----

CAGE Code: 5DME2
ITAR Registration Code: M28889
Call: 1 (800) 377-3244
Monday to Friday 8 A.M. - 5 P.M. (Pacific Time)
E-mail questions and requirements to: sales@coilws.com

Pricing is subject to change depending on product availability and backorders.
*Please Note: Items without price are listed for CWS' capability purposes.


CWS is a custom magnetics design and manufacturer of inductive and transformer products. Over the years, CWS has also developed and stock the industry’s largest selections of power inductor, inductor coil, ferrite choke, common mode choke, differential mode choke, current transformer and power transformer. In CWS library, there are thousands of custom inductors, custom transformers, high frequency transformers, ferrite chokes, etc. CWS developed our own special designed software to manage the designs of custom magnetic parts.

This page shows all the standard off the shelf stocking parts. By clicking on each section, the user can see the depth and breath of the standard products arranged in sub-categories and available as online shopping carts. The prices shown in the shopping carts are for engineers to do budgeting and sample quantity sales. Purchasing agents should contact CWS sales for volume pricing.

For example, if you click on the Ferrite and Nanocrystalline Common Mode Chokes, it will drill down to 5 categories of common mode choke and ferrite choke i.e. case enclosed ferrite common mode choke and nanocrystalline common mode choke, 3 phase common mode choke, 4 phase common mode chokes, etc.

For the inductor and differential mode chokes, there are 6 categories from toroid inductor and helical wound or edge wound inductors to ultra high current inductor in shoebox packaging.

Each part has its own pdf engineering drawings that the end user can download and use for PCB layout. Many standard parts also have 3D Models, Thermal models, SPICE Models and Core and Winding Loss Calculators. Additional engineering details and test reports are available on request.

For transformer which are shown in other sections of CWS website, CWS specializes in isolation transformer, high voltage transformer, lamination transformers, utility grade electrical transformer and high frequency power transformer. CWS facilities are UL approved and many lamination transformers have UL listing. For coils, CWS specializes in electromagnetic coil, and all types of magnetic coil.

The pricing shown in the shopping cart is mainly used as a budgeting tool for engineers and buyers to cost out their bills of materials. Note that these prices are for small or sample quantities and not for volume production. For volume production pricing, please email or call CWS sales office to get the most competitive pricing.

Please contact us via Email for any question you may have regarding design or products. Visit our Custom Product category for a display of products requested by our customers.

Disclaimer: Coil Winding Specialist, Inc., its affiliates, agents, and employees acting on behalf of Coil Winding Specialist, Inc. (collectively, CWS) disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. CWS reserves the right at any time and from time to time to make changes to design, technical specification, or construction of any product listed on this website without notice. CWS also reserves the right to discontinue or limit sale of any product or service available throughout this website on temporary or permanently basis without notice. CWS highly recommends customers not to use its products offered on this website for inappropriate use and applications. Products should be tested for its suitability by prospective customers in all possible applications and conditions. Customers using or selling CWS products for use in other than recommended applications do so entirely at their own risk and agree to fully indemnify CWS from any damages arising or resulting from such use or sale.

WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.

Any Comments, Suggestions or Questions? Contact us!
Email: sales@coilws.com
CWS 353 West Grove Ave. Orange, California 92865
Call us Toll Free: 1-800-679-3184 or 1 (800) 377-3244

Tel: (714) 279-9010, Fax: (714) 279-9482

Copyright 2008, Coil Winding Specialist, Inc
Updated July, 2013

CAGE Code: 5DME2(Registered with www.ccr.gov)