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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
If you have any questions or need additional information, please feel free to contact
Customer Service/Inside Sales.
Affected Part Numbers
SRN4018 Series
SRN4018-100M SRN4018-151M SRN4018-220M SRN4018-330M SRN4018-4R7M
SRN4018-101M SRN4018-1R0Y SRN4018-221M SRN4018-331M SRN4018-680M
SRN4018-102M SRN4018-1R2Y SRN4018-2R2M SRN4018-3R3M SRN4018-6R8M
SRN4018-150M SRN4018-1R5Y SRN4018-2R7M SRN4018-470M SRN4018-R82Y
Affected Part Numbers
SRN4018A Series
SRN4018A-100M SRN4018A-1R0Y SRN4018A-221M SRN4018A-3R3M SRN4018A-6R8M
SRN4018A-101M SRN4018A-1R2Y SRN4018A-2R2M SRN4018A-470M SRN4018A-R82Y
SRN4018A-150M SRN4018A-1R5Y SRN4018A-2R7M SRN4018A-4R7M
SRN4018A-151M SRN4018A-220M SRN4018A-330M SRN4018A-680M
Affected Part Numbers
SRN4026 Series
SRN4026-100M SRN4026-151M SRN4026-220M SRN4026-330M SRN4026-4R7M
SRN4026-101M SRN4026-1R0Y SRN4026-221M SRN4026-3R3M SRN4026-680M
SRN4026-150M SRN4026-1R2Y SRN4026-2R2Y SRN4026-470M SRN4026-6R8M
Affected Part Numbers
SRN5020 Series
SRN5020-100M SRN5020-1R5Y SRN5020-330M SRN5020-5R6M
SRN5020-150M SRN5020-220M SRN5020-3R3M SRN5020-6R8M
SRN5020-1R0Y SRN5020-2R2Y SRN5020-4R7M
Bourns® Semi-Shielded Power Inductor Marking Process Change for Certain Model SRN Series
February 10, 2021
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