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During an obsolescence check for components used in our systems, five components have been identified as possibly discontinued (PSB). If they have been discontinued, are there any form/fit/function replacements available?

Category: Hardware
Product Number: MAX121MJE, MAX121

The above components are used in our systems and have been identified as possibly discontinued. A search on the ADI website brings up similar results but not identical, and searches on generic parts websites shows that the parts existed but are possibly discontinued. If they are/are not available and if there are any form/fit/function appropriate replacements would you be able to let me know?