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CAGE Code: 5DME2
ITAR Registration Code: M28889

- April 30th 2017 -
Call: 1 (800) 377-3244
We Are Open Monday-Friday 8 am - 5 pm PT 
E-mail: sales@coilws.com


Power Transformers

Power Transformers are used in transforming the voltages from one level to the next. Power Transformer can be divided into 3 basic categories as listed below. The basic difference between these are the frequency of the electrical signal and the size. The size of a power transformer is directly proportional the frequency.

1) 50/60Hz power transformers built using lamination. These types of power transformers are bulky but incredibly reliable, and it converts the 60Hz (in North America) and 50Hz (in Europe) utility power line voltages into a higher or lower voltages. Most of the large utility transformers are operating at 60Hz or 50Hz. Newer large power transformers are also built using aluminum for lower cost. CWS manufactures both copper wire and foil and aluminum wire and foil power transformers. We use M6 or M19 or Nickel laminations. EI laminations, C-cores and toroidal cores power transformers from a few VA to hundreds of KVAs.

2) 400Hz power transformers are for military use in the aircraft and ship power. Since the frequency is 400Hz, the size is 6.7 times smaller. CWS manufactures custom 400Hz transformers using the very thin amorphous cores for lower losses. CWS designs and manufactures ranges from a few VA to hundreds of KVAs.

3) High Frequency Power Transformers are also called switch mode power supply transformers. These transformers are based on ferrite cores. CWS designs and manufactures high frequency power transformers from small to super high power, and from 1Khz to 1Mhz switching frequency. CWS also offers many off the shelf transformers with Power Integrations© Design references. Please contact us via e-mail for more details.



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.


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)