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asiacus@bourns.com
Americas: Tel +1-951 781-5500
americus@bourns.com
EMEA: Tel +36 88 885 877
eurocus@bourns.com
PRODUCT CHANGE NOTIFICATION
Users should verify that the described changes will not impact the performance of the product in their specific applications.
MAGNETICS
IC2113
Riverside, California – February 10, 2021 – In the spirit of continuous improvement, effective March 14, 2021,
Bourns will change the marking process for the Model SRN4018, SRN4018A, SRN4026, SRN5020, SRN5040,
SRN6020 and SRN6028 Semi-shielded Power Inductors from ink marking to laser etching. The new process will
eliminate the use of ink material to facilitate compliance with the mandatory national standards of the People’s
Republic of China which limit use of volatile organic compounds (VOCs) in printing ink. A list of affected part
numbers is included on the next page.
Current Ink Marking New Laser Etching
The laser etching process will have no impact on the fit or function of the product. The form of the product
and the manufacturing process will change due to the use of a different marking process step. The quality and
reliability of the marking on the product will be improved as a result of the process change.
Implementation dates are as follows:
Date that manufacturing of existing products will cease: March 13, 2021
Date that deliveries of modified products will begin: March 14, 2021
First date code using the above changes: 2111
Bourns® Semi-Shielded Power Inductor Marking Process Change
for Certain Model SRN Series
Change from Ink Marking to Laser Etching
2R2
6R8