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CAGE Code: 5DME2
ITAR Registration Code: M28889

- August 24th 2019 -
Call: 1 (800) 377-3244
We Are Open Monday-Friday 8 am - 5 pm PT

72-50X (Non Encapsulated)

72- 500 Series 50 Khz to 500 Khz Current Sense Transformer.
Bobbin Mount Through Hole, High Hi-Pot

  • Bobbin Mount through hole with single turn primary and pre-set secondary winding for most common application
  • Designed for switch mode power supply application
  • 3000 Vrms primary to secondary for hi-pot
  • Frequency range of 50 Khz to 500 Khz
  • Turn Ratio from 1:1: 50 to 1:1: 300


Click the button to see examples of our custom wound products. We wind anything to meet your needs.
Outline 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


Outline dimensions and Schematics

Part Numbering

72 - 500

72 : CWS current sense
500 - Types

) The prices shown below are for low volume quantity. Please call 800-377-3244 or
email 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. Volume Production delivery lead time is 4 to 6 weeks

  Part Number Inductance Max
Turns Ratio
DCR Sec1 (mΩ MAX) DCR Sec2 (mΩ MAX) Hi-Pot
  72-504 180.00 mH (Min) 11.0 300:1:1 5.0 5.0 3000 $5.00
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  72-503 80.00 mH (Min) 4.5 200:1:1 5.0 5.0 3000 $5.00
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  72-502 20.00 mH {Min) 1.4 100:1:1 5.0 5.0 3000 $5.00
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  72-501 5.00 mH (Min) 0.7 50:1:1 5.0 5.0 3000 $5.00
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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

Any Comments, Suggestions or Questions? Contact us! Email:
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