As an electronics engineer, I have tried it for such tasks, without success. I specified requirements (only the key/rarer ones, typically 1 or 2) and asked it to find components. It failed miserably, typically just insisting that some related but much more common component satisfied the requirement. More and more apologetic as I tired to guide/coax it along. I know that there are a few components available that satisfy the requirement, as well as several hundred that do not. And I know that the information is in digitally readable PDF files (as opposed to scans).

This specific failure might be s kind of averaging problem, where common answers around the general theme are preferred over more specific (and correct). LLMs can also fail completely at trivial concepts such as negation, or separating between "Y above X" and "Y below X".