■Dear Valued Customer, 

●After the successful relocation of our TO-240, Y4 and MCC Y1 product families in 2020, 2021 and 2022, Littelfuse would like to notify you about the transfer of the backend manufacturing of our MCO/MDO Y1 package parts to our inhouse assembly factory in Lipa, Philippines. 

●This new Littelfuse facility combines the very best operational excellence and semiconductor expertise to deliver a highly automated, world class facility designed, to meet IATF16949 & VDA6.3 requirements. Our clear focus being to bring high levels of service to our customers and quality products to support future growth of the power semiconductor business. 

■Important information for your attention and according to JEDEC STANDARD “JESD46”: 

●Please acknowledge receipt of this PCN. In your acknowledgment, you can grant approval or request additional information. 

●Littelfuse will assume the change is acceptable if no acknowledgment is received within 30 days from the date of this PCN. Lack of any additional response within 90 days of PCN issuance further constitutes acceptance of change.

Brand of Product：	Littelfuse
Part#：	MCO600-16io1 、 MCO450-20IO1 、 MCO600-22IO1SL 、 MCO450-22IO1 、 MDO500-12N1 、 MCO500-12IO1 、 MDO500-14N1 、 MCO500-14IO1 、 MDO500-16N1 、 MCO500-16IO1 、 MDO500-18N1 、 MCO500-18IO1 、 MDO500-20N1 、 MCO600-16IO1 、 MDO500-22N1 、 MCO600-18IO1 、 MDO600-16N1 、 MCO600-20IO1 、 MCMA650MT1400NKD 、 MCO600-22IO1 、 MCMA650MT1800NKD More Part#
Product Category：	Y1 Power Modules More
Application：	More
Data Type：	PCN/EOL More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	December 19th, 2022
Version Number：
Data Encoding：	LFPCN221219
Data Size：	479 KB