CAGE Code: 5DME2
ITAR Registration Code: M28889

- October 23rd 2020 -
Call: 1 (800) 377-3244
We Are Open Monday to Friday 8 A.M. - 5 P.M. (Pacific Time)
E-mail your questions and requirements at: sales@coilws.com

*Please contact us for available stock.
Stock quantity of zero may be reflected as it is not implemented yet.

72-20X (Epoxy Coated)

72-200 Series Current Sense Transformer.
Customer Install Single turn primary


  • Center hole for primary winding
  • Pre-set secondary winding for most common application
  • Desigend for switch mode power supply application
  • 2500 Vrms primary to secondary for hi-pot
  • Frequency range of 20 Khz to 200 Khz
  • Epoxy coated construction
  • Turn ratios of 1: 50 to 1: 300
  • Handles up to 20 Amps of sense current


Click the button to see examples of our custom wound products. We wind anything to meet your needs.
Dimension and Schematics
Commercial and Industrial
Bulk packaged

1) No tooling or set up fees required for standard parts
2) Minimum order : 20 pieces. Samples available to large OEMs
3) Typical Delivery: 2 to 6 weeks



Please see pdf files for details.
See link below for some sample PDF files.



Part Numbering

72 - 200

72 : CWS current sense
200 - Types

) The prices shown below are for low volume quantity. 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
) Custom designs are available to meet any of your requirements. Please contact us
) The data shown below can be sorted by clicking each column header.Click once again to sort in reverse order.
5) Stock qty shown can be shipped immediately. Subject to prior sales. Production qty lead time is 4 to 6 weeks

Part Number Inductance Test Voltage
(15.75 KHz)
Max Primary
Max Primary
1 Turn
Peak Sense
on hand
72-204 180.00 mH 3.0 V 11.0 ohms 300 ohms 300 900 Amps.uS 1800 Amps.uS 20 A 0 $10.75
Call for Price
... more info
Call for price
72-203 80.00 mH 2.0 V 4.5 ohms 200 ohms 200 600 Amps.uS 1200 Amps.uS 20 A 56 $10.57
Call for Price
... more info
Call for price
72-202 20.00 mH 1.0 V 1.4 ohms 100 ohms 100 300 Amps.uS 600 Amps.uS 20 A 0 $10.75
Call for Price
... more info
Call for price
72-201 5.00 mH 0.5 V 0.7 ohms 50 ohms 50 150 Amps.uS 300 Amps.uS 20 A 2 $10.75
Call for Price
... more info
Call for price

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)