how can you tell if it is manufactured with plastic housing?
REF192ESZ packages are all plastic. Most of our devices are manufactured in a plastic packages. There are other in Ceramic and Metal Can packages too. When it is in ceramicor metal can, it will be indicated in the ordering guide and product "sample and buy" table under "Package" column. For example, OP42 has 8ld CerDIP (Ceramic Dual In-line Package) package available and also in round header/Metal Can.
Quick question, What is your application and why are you concern on the type of encapsulation for this device? Are you into aerospace application, or is it extreme heat is one of your concern? etc?
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