●The purpose of this notification is to advise that Knowles Precision Devices intend to update their standard DWV test voltage for 630V rated MLCC’s to min 820Vdc (1.3 x Rated Voltage), in line with common industry standards, as below
■IEC60384-21:2019 (Class 1) and IEC 30384-22:2019 (Class 2)
■JISC5101-21:2014 (Class 1) and JISC5101-22:2014 (Class 2)
●The change only applies to MLCC’s with 630V rated, please note:
■No changes with respect to Knowles product performance
■No changes with respect to manufacturing processes.
●Syfer™ Surface Mount part numbers
■PCN affects:
◆630Vdc rated parts with termination code ‘J’ or ‘Y’ AND dielectric code ‘J’/’G’/’C’/’X’/’K’/’S’
◆630Vdc rated parts with suffix code WS
●Syfer™ Radial Leaded part numbers
■PCN affects 630Vdc rated parts with lead style ‘M’, ‘N’ or ‘T’ AND dielectric code ‘C’ or ‘X’
●Novacap™ Surface Mount part numbers
■PCN affects 630Vdc rated parts with termination code ‘N’ or ‘C’ AND with dielectric code RB or RN
●Novacap™ Radial Leaded part numbers
■PCN affects 630Vdc rated parts with dielectric code RB or RN

Brand of Product：	Knowles
Part#：	1812Y6300104KJT--- 、 8121M6300104KJTC42--- 、 1812RN104K630CT 、 1812RN104K630CTR More Part#
Product Category：	MLCC 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：	24h February 2022
Version Number：
Data Encoding：	2022/01
Data Size：	823 KB