HEAT SINK 532-560200B00, a Heat Sink for Ceramic DIP-14/16 Packages will no longer be stocked by Mouser, and once stock has been depleted, it will be available on a Non-Catalog basis only subject to Aavid minimum order requirements and standard leadtimes. The closest replacement available for this item is 532-580200B00. The replacement is the same type of Heat Sink works with Plastic DIP-14/16 Packages instead of Ceramic DIP-14/16 Packages. 5-0998-57