CA-IS3221CK-Q1 is a Replacement parts of
UCC21520DWK/UCC21520DWKR
/UCC21540DWKR/UCC21540DWK
/UCC21540ADWKR/UCC21540ADWK
/Si8230AD-D-IS3/Si8230BD-D-IS3
/Si8233AD-D-IS3/Si8233BD-D-IS3
/Si8235AD-D-IS3/Si8235BD-D-IS3
/Si8238AD-D-IS3/Si8238BD-D-IS3
/Si8230AD-AS3/Si8230BD-AS3
/Si8233AD-AS3/Si8233BD-AS3
/Si8235AD-AS3/Si8235BD-AS3
/Si8238AD-AS3/Si8238BD-AS3