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PRODUCT CHANGE NOTIFICATION
Users should verify that the described changes will not impact the performance of the product in their specific applications.
RESISTOR NETWORKS
Last day of manufacturing existing products: October 1, 2020
First shipping date for modified products
will begin: October 2, 2020
First date code using the above changes: 2040
If you have any additional questions or need additional information, please feel free to contact Customer Service /
Inside Sales.
Bourns® Thick Film Resistor Network Pin Dimension Change
Model 4600X, 4600H and 4600M Series
Riverside, California – July 24, 2020 – Effective October 1, 2020, the pin dimensions of the Bourns® Model 4600X, 4600H
and 4600M Thick Resistor Network series will change from 0.508 ± 0.05 mm to 0.50 ± 0.10 mm. The main purpose of
the change is to conform the part to a more common industry specification. The fit of the products is affected by the
change. The form, function, quality and reliability will remain the same. Affected part numbers are listed below.
Samples are available upon request. Products with the new pin dimension can be identified by the date code 2040.
Implementation dates are as follows:
N1934
Affected Part Numbers
4604H-101-102LF 4604X-101-104LF 4604X-101-221LF 4604X-101-470LF 4604X-101-682LF 4604X-102-121LF
4604H-101-103LF 4604X-101-105LF 4604X-101-222LF 4604X-101-471LF 4604X-101-750LF 4604X-102-122FLF
4604H-101-472LF 4604X-101-121LF 4604X-101-223LF 4604X-101-472LF 4604X-101-820LF 4604X-102-122LF
4604H-101-473LF 4604X-101-122LF 4604X-101-224LF 4604X-101-473LF 4604X-101-821LF 4604X-102-123LF
4604H-AG4-000LF 4604X-101-123LF 4604X-101-271LF 4604X-101-474LF 4604X-101-822LF 4604X-102-151LF
4604M-101-271LF 4604X-101-124LF 4604X-101-272LF 4604X-101-513LF 4604X-102-100LF 4604X-102-152LF
4604M-101-274LF 4604X-101-151LF 4604X-101-273LF 4604X-101-560LF 4604X-102-101LF 4604X-102-153LF
4604M-101-390LF 4604X-101-152LF 4604X-101-331LF 4604X-101-561LF 4604X-102-102LF 4604X-102-154LF
4604X-101-100LF 4604X-101-153LF 4604X-101-332LF 4604X-101-562LF 4604X-102-103LF 4604X-102-163LF
4604X-101-101LF 4604X-101-202LF 4604X-101-333LF 4604X-101-622LF 4604X-102-104FLF 4604X-102-181LF
4604X-101-102LF 4604X-101-203LF 4604X-101-334LF 4604X-101-680LF 4604X-102-104LF 4604X-102-182LF
4604X-101-103LF 4604X-101-220LF 4604X-101-392LF 4604X-101-681LF 4604X-102-105LF 4604X-102-202LF