---- February 26th 2021 ----

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


TN SERIES : Transformers for Switch Mode Power Supplies:
Ready made, off the shelf transformers for Power Integration's TINY SWITCH

1) These transformers are optimized for Power Integration's TNY series of controller chips such as TNY253P, TNY254P, TNY255P, TNY256P, TNY264P, TNY266P, TNY268P, etc..

2) Accepts Universal AC input voltages

3) Operating Temperature range of -20 dec C to 85 deg C


Click the button to see examples of our custom wound products. We wind anything to meet your needs.
Download Packaging and Dimensions of the TN Transformers in .PDF.
Please see "Package" in column 4 in the shop cart below for the package code and download the .PDF file
Custom design of any Switch Mode Power transformers using TOP SWITCH or TINY SWITCH or any SMPS ICs and topologies is available. Please let our engineers help you.
Please click on invidual PDF files in the table below for Specifications and Drawing.

Download Bobbins Drawings and footprints in PDF



Download Package dimensions and pin sizes. See package code in shopping cart below.


Part Numbering

TN254P 00

TN254P :

00 : CWS Series


1) The prices shown below are for BUDGETARY PURPOSE ONLY. Please call 800-377-3244 or
email sales@coilws.com for larger volume OEM pricing.
Our large OEM pricing is extremely competitive. We will meet or beat any competitors prices with better deliveries

2) Custom designs are available to meet any of your requirements. Please contact us


4) The data below can be sorted by clicking the headers ( in blue highlights). Click twice to sort in reverse order.

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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)